787200484

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 1779757056

約数和(自身を除く): 992556572

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 43, 46, 49, 62, 86, 92, 98, 124, 131, 161, 172, 196, 217, 262, 301, 322, 434, 524, 602, 644, 713, 868, 917, 989, 1127, 1204, 1333, 1426, 1519, 1834, 1978, 2107, 2254, 2666, 2852, 3013, 3038, 3668, 3956, 4061, 4214, 4508, 4991, 5332, 5633, 6026, 6076, 6419, 6923, 8122, 8428, 9331, 9982, 11266, 12052, 12838, 13846, 16244, 18662, 19964, 21091, 22532, 25676, 27692, 28427, 30659, 34937, 37324, 39431, 42182, 48461, 56854, 61318, 65317, 69874, 78862, 84364, 93403, 96922, 113708, 122636, 129559, 130634, 139748, 147637, 157724, 174623, 186806, 193844, 198989, 214613, 259118, 261268, 276017, 295274, 349246, 373612, 397978, 429226, 518236, 552034, 590548, 653821, 698492, 795956, 858452, 906913, 1104068, 1222361, 1307642, 1502291, 1813826, 2444722, 2615284, 3004582, 3627652, 4016329, 4576747, 4889444, 6009164, 6348391, 8032658, 8556527, 9153494, 12696782, 16065316, 17113054, 18306988, 25393564, 28114303, 34226108, 56228606, 112457212, 196800121, 393600242, 787200484]

約数ペア:

[(1, 787200484), (2, 393600242), (4, 196800121), (7, 112457212), (14, 56228606), (23, 34226108), (28, 28114303), (31, 25393564), (43, 18306988), (46, 17113054), (49, 16065316), (62, 12696782), (86, 9153494), (92, 8556527), (98, 8032658), (124, 6348391), (131, 6009164), (161, 4889444), (172, 4576747), (196, 4016329), (217, 3627652), (262, 3004582), (301, 2615284), (322, 2444722), (434, 1813826), (524, 1502291), (602, 1307642), (644, 1222361), (713, 1104068), (868, 906913), (917, 858452), (989, 795956), (1127, 698492), (1204, 653821), (1333, 590548), (1426, 552034), (1519, 518236), (1834, 429226), (1978, 397978), (2107, 373612), (2254, 349246), (2666, 295274), (2852, 276017), (3013, 261268), (3038, 259118), (3668, 214613), (3956, 198989), (4061, 193844), (4214, 186806), (4508, 174623), (4991, 157724), (5332, 147637), (5633, 139748), (6026, 130634), (6076, 129559), (6419, 122636), (6923, 113708), (8122, 96922), (8428, 93403), (9331, 84364), (9982, 78862), (11266, 69874), (12052, 65317), (12838, 61318), (13846, 56854), (16244, 48461), (18662, 42182), (19964, 39431), (21091, 37324), (22532, 34937), (25676, 30659), (27692, 28427)]