643294288

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{7243}}^1$

素因数の和:7332

約数の個数: 80

約数和(自身を含む): 1559372416

約数和(自身を除く): 916078128

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 61, 91, 104, 112, 122, 182, 208, 244, 364, 427, 488, 728, 793, 854, 976, 1456, 1586, 1708, 3172, 3416, 5551, 6344, 6832, 7243, 11102, 12688, 14486, 22204, 28972, 44408, 50701, 57944, 88816, 94159, 101402, 115888, 188318, 202804, 376636, 405608, 441823, 659113, 753272, 811216, 883646, 1318226, 1506544, 1767292, 2636452, 3092761, 3534584, 5272904, 5743699, 6185522, 7069168, 10545808, 11487398, 12371044, 22974796, 24742088, 40205893, 45949592, 49484176, 80411786, 91899184, 160823572, 321647144, 643294288]

約数ペア:

[(1, 643294288), (2, 321647144), (4, 160823572), (7, 91899184), (8, 80411786), (13, 49484176), (14, 45949592), (16, 40205893), (26, 24742088), (28, 22974796), (52, 12371044), (56, 11487398), (61, 10545808), (91, 7069168), (104, 6185522), (112, 5743699), (122, 5272904), (182, 3534584), (208, 3092761), (244, 2636452), (364, 1767292), (427, 1506544), (488, 1318226), (728, 883646), (793, 811216), (854, 753272), (976, 659113), (1456, 441823), (1586, 405608), (1708, 376636), (3172, 202804), (3416, 188318), (5551, 115888), (6344, 101402), (6832, 94159), (7243, 88816), (11102, 57944), (12688, 50701), (14486, 44408), (22204, 28972)]