31001920915

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 47414771712

約数和(自身を除く): 16412850797

約数列:

[1, 5, 7, 23, 31, 35, 43, 115, 155, 161, 167, 173, 215, 217, 301, 713, 805, 835, 865, 989, 1085, 1169, 1211, 1333, 1505, 3565, 3841, 3979, 4945, 4991, 5177, 5363, 5845, 6055, 6665, 6923, 7181, 7439, 9331, 19205, 19895, 24955, 25885, 26815, 26887, 27853, 28891, 30659, 34615, 35905, 36239, 37195, 37541, 46655, 50267, 52073, 119071, 123349, 134435, 139265, 144455, 153295, 165163, 171097, 181195, 187705, 202237, 214613, 222611, 230609, 251335, 260365, 595355, 616745, 664493, 825815, 833497, 855485, 863443, 895621, 1011185, 1073065, 1113055, 1153045, 1156141, 1197679, 1242313, 1558277, 1614263, 3322465, 4167485, 4317215, 4478105, 4651451, 5120053, 5304007, 5780705, 5988395, 6211565, 6269347, 7791385, 8071315, 8696191, 20599283, 23257255, 25600265, 26520035, 28573199, 31346735, 35840371, 37128049, 38511703, 43480955, 102996415, 142865995, 144194981, 179201855, 185640245, 192558515, 200012393, 269581921, 720974905, 885769169, 1000061965, 1347909605, 4428845845, 6200384183, 31001920915]

約数ペア:

[(1, 31001920915), (5, 6200384183), (7, 4428845845), (23, 1347909605), (31, 1000061965), (35, 885769169), (43, 720974905), (115, 269581921), (155, 200012393), (161, 192558515), (167, 185640245), (173, 179201855), (215, 144194981), (217, 142865995), (301, 102996415), (713, 43480955), (805, 38511703), (835, 37128049), (865, 35840371), (989, 31346735), (1085, 28573199), (1169, 26520035), (1211, 25600265), (1333, 23257255), (1505, 20599283), (3565, 8696191), (3841, 8071315), (3979, 7791385), (4945, 6269347), (4991, 6211565), (5177, 5988395), (5363, 5780705), (5845, 5304007), (6055, 5120053), (6665, 4651451), (6923, 4478105), (7181, 4317215), (7439, 4167485), (9331, 3322465), (19205, 1614263), (19895, 1558277), (24955, 1242313), (25885, 1197679), (26815, 1156141), (26887, 1153045), (27853, 1113055), (28891, 1073065), (30659, 1011185), (34615, 895621), (35905, 863443), (36239, 855485), (37195, 833497), (37541, 825815), (46655, 664493), (50267, 616745), (52073, 595355), (119071, 260365), (123349, 251335), (134435, 230609), (139265, 222611), (144455, 214613), (153295, 202237), (165163, 187705), (171097, 181195)]