257301492

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:501

約数の個数: 96

約数和(自身を含む): 701890560

約数和(自身を除く): 444589068

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 89, 127, 178, 254, 267, 271, 356, 381, 508, 534, 542, 623, 762, 813, 889, 1068, 1084, 1246, 1524, 1626, 1778, 1869, 1897, 2492, 2667, 3252, 3556, 3738, 3794, 5334, 5691, 7476, 7588, 10668, 11303, 11382, 22606, 22764, 24119, 33909, 34417, 45212, 48238, 67818, 68834, 72357, 79121, 96476, 103251, 135636, 137668, 144714, 158242, 168833, 206502, 237363, 240919, 289428, 316484, 337666, 413004, 474726, 481838, 506499, 675332, 722757, 949452, 963676, 1012998, 1445514, 2025996, 2891028, 3063113, 6126226, 9189339, 12252452, 18378678, 21441791, 36757356, 42883582, 64325373, 85767164, 128650746, 257301492]

約数ペア:

[(1, 257301492), (2, 128650746), (3, 85767164), (4, 64325373), (6, 42883582), (7, 36757356), (12, 21441791), (14, 18378678), (21, 12252452), (28, 9189339), (42, 6126226), (84, 3063113), (89, 2891028), (127, 2025996), (178, 1445514), (254, 1012998), (267, 963676), (271, 949452), (356, 722757), (381, 675332), (508, 506499), (534, 481838), (542, 474726), (623, 413004), (762, 337666), (813, 316484), (889, 289428), (1068, 240919), (1084, 237363), (1246, 206502), (1524, 168833), (1626, 158242), (1778, 144714), (1869, 137668), (1897, 135636), (2492, 103251), (2667, 96476), (3252, 79121), (3556, 72357), (3738, 68834), (3794, 67818), (5334, 48238), (5691, 45212), (7476, 34417), (7588, 33909), (10668, 24119), (11303, 22764), (11382, 22606)]