138983988

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 396233600

約数和(自身を除く): 257249612

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 37, 39, 44, 52, 66, 74, 78, 111, 121, 132, 143, 148, 156, 199, 222, 242, 286, 363, 398, 407, 429, 444, 481, 484, 572, 597, 726, 796, 814, 858, 962, 1194, 1221, 1443, 1452, 1573, 1628, 1716, 1924, 2189, 2388, 2442, 2587, 2886, 3146, 4378, 4477, 4719, 4884, 5174, 5291, 5772, 6292, 6567, 7363, 7761, 8756, 8954, 9438, 10348, 10582, 13134, 13431, 14726, 15522, 15873, 17908, 18876, 21164, 22089, 24079, 26268, 26862, 28457, 29452, 31044, 31746, 44178, 48158, 53724, 56914, 58201, 63492, 72237, 80993, 85371, 88356, 95719, 96316, 113828, 116402, 144474, 161986, 170742, 174603, 191438, 232804, 242979, 287157, 288948, 313027, 323972, 341484, 349206, 382876, 485958, 574314, 626054, 698412, 890923, 939081, 971916, 1052909, 1148628, 1252108, 1781846, 1878162, 2105818, 2672769, 3158727, 3563692, 3756324, 4211636, 5345538, 6317454, 10691076, 11581999, 12634908, 23163998, 34745997, 46327996, 69491994, 138983988]

約数ペア:

[(1, 138983988), (2, 69491994), (3, 46327996), (4, 34745997), (6, 23163998), (11, 12634908), (12, 11581999), (13, 10691076), (22, 6317454), (26, 5345538), (33, 4211636), (37, 3756324), (39, 3563692), (44, 3158727), (52, 2672769), (66, 2105818), (74, 1878162), (78, 1781846), (111, 1252108), (121, 1148628), (132, 1052909), (143, 971916), (148, 939081), (156, 890923), (199, 698412), (222, 626054), (242, 574314), (286, 485958), (363, 382876), (398, 349206), (407, 341484), (429, 323972), (444, 313027), (481, 288948), (484, 287157), (572, 242979), (597, 232804), (726, 191438), (796, 174603), (814, 170742), (858, 161986), (962, 144474), (1194, 116402), (1221, 113828), (1443, 96316), (1452, 95719), (1573, 88356), (1628, 85371), (1716, 80993), (1924, 72237), (2189, 63492), (2388, 58201), (2442, 56914), (2587, 53724), (2886, 48158), (3146, 44178), (4378, 31746), (4477, 31044), (4719, 29452), (4884, 28457), (5174, 26862), (5291, 26268), (5772, 24079), (6292, 22089), (6567, 21164), (7363, 18876), (7761, 17908), (8756, 15873), (8954, 15522), (9438, 14726), (10348, 13431), (10582, 13134)]