28551908

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 72394560

約数和(自身を除く): 43842652

約数列:

[1, 2, 4, 7, 11, 14, 17, 19, 22, 28, 34, 38, 41, 44, 49, 68, 76, 77, 82, 98, 119, 133, 154, 164, 187, 196, 209, 238, 266, 287, 308, 323, 374, 418, 451, 476, 532, 539, 574, 646, 697, 748, 779, 833, 836, 902, 931, 1078, 1148, 1292, 1309, 1394, 1463, 1558, 1666, 1804, 1862, 2009, 2156, 2261, 2618, 2788, 2926, 3116, 3157, 3332, 3553, 3724, 4018, 4522, 4879, 5236, 5453, 5852, 6314, 7106, 7667, 8036, 8569, 9044, 9163, 9758, 10241, 10906, 12628, 13243, 14212, 15334, 15827, 17138, 18326, 19516, 20482, 21812, 22099, 24871, 26486, 30668, 31654, 34153, 34276, 36652, 38171, 40964, 44198, 49742, 52972, 53669, 59983, 63308, 68306, 76342, 88396, 92701, 99484, 107338, 119966, 136612, 145673, 152684, 174097, 185402, 214676, 239932, 291346, 348194, 370804, 375683, 419881, 582692, 648907, 696388, 751366, 839762, 1019711, 1297814, 1502732, 1679524, 2039422, 2595628, 4078844, 7137977, 14275954, 28551908]

約数ペア:

[(1, 28551908), (2, 14275954), (4, 7137977), (7, 4078844), (11, 2595628), (14, 2039422), (17, 1679524), (19, 1502732), (22, 1297814), (28, 1019711), (34, 839762), (38, 751366), (41, 696388), (44, 648907), (49, 582692), (68, 419881), (76, 375683), (77, 370804), (82, 348194), (98, 291346), (119, 239932), (133, 214676), (154, 185402), (164, 174097), (187, 152684), (196, 145673), (209, 136612), (238, 119966), (266, 107338), (287, 99484), (308, 92701), (323, 88396), (374, 76342), (418, 68306), (451, 63308), (476, 59983), (532, 53669), (539, 52972), (574, 49742), (646, 44198), (697, 40964), (748, 38171), (779, 36652), (833, 34276), (836, 34153), (902, 31654), (931, 30668), (1078, 26486), (1148, 24871), (1292, 22099), (1309, 21812), (1394, 20482), (1463, 19516), (1558, 18326), (1666, 17138), (1804, 15827), (1862, 15334), (2009, 14212), (2156, 13243), (2261, 12628), (2618, 10906), (2788, 10241), (2926, 9758), (3116, 9163), (3157, 9044), (3332, 8569), (3553, 8036), (3724, 7667), (4018, 7106), (4522, 6314), (4879, 5852), (5236, 5453)]