28349178

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:132

約数の個数: 128

約数和(自身を含む): 73543680

約数和(自身を除く): 45194502

約数列:

[1, 2, 3, 6, 11, 13, 19, 22, 26, 33, 37, 38, 39, 47, 57, 66, 74, 78, 94, 111, 114, 141, 143, 209, 222, 247, 282, 286, 407, 418, 429, 481, 494, 517, 611, 627, 703, 741, 814, 858, 893, 962, 1034, 1221, 1222, 1254, 1406, 1443, 1482, 1551, 1739, 1786, 1833, 2109, 2442, 2679, 2717, 2886, 3102, 3478, 3666, 4218, 5217, 5291, 5358, 5434, 6721, 7733, 8151, 9139, 9823, 10434, 10582, 11609, 13442, 15466, 15873, 16302, 18278, 19129, 19646, 20163, 22607, 23199, 23218, 27417, 29469, 31746, 33041, 34827, 38258, 40326, 45214, 46398, 54834, 57387, 58938, 66082, 67821, 69654, 99123, 100529, 114774, 127699, 135642, 198246, 201058, 248677, 255398, 301587, 363451, 383097, 429533, 497354, 603174, 726902, 746031, 766194, 859066, 1090353, 1288599, 1492062, 2180706, 2577198, 4724863, 9449726, 14174589, 28349178]

約数ペア:

[(1, 28349178), (2, 14174589), (3, 9449726), (6, 4724863), (11, 2577198), (13, 2180706), (19, 1492062), (22, 1288599), (26, 1090353), (33, 859066), (37, 766194), (38, 746031), (39, 726902), (47, 603174), (57, 497354), (66, 429533), (74, 383097), (78, 363451), (94, 301587), (111, 255398), (114, 248677), (141, 201058), (143, 198246), (209, 135642), (222, 127699), (247, 114774), (282, 100529), (286, 99123), (407, 69654), (418, 67821), (429, 66082), (481, 58938), (494, 57387), (517, 54834), (611, 46398), (627, 45214), (703, 40326), (741, 38258), (814, 34827), (858, 33041), (893, 31746), (962, 29469), (1034, 27417), (1221, 23218), (1222, 23199), (1254, 22607), (1406, 20163), (1443, 19646), (1482, 19129), (1551, 18278), (1739, 16302), (1786, 15873), (1833, 15466), (2109, 13442), (2442, 11609), (2679, 10582), (2717, 10434), (2886, 9823), (3102, 9139), (3478, 8151), (3666, 7733), (4218, 6721), (5217, 5434), (5291, 5358)]