72157124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 139944000

約数和(自身を除く): 67786876

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 139, 149, 268, 278, 298, 556, 596, 871, 1742, 1807, 1937, 3484, 3614, 3874, 7228, 7748, 9313, 9983, 18626, 19966, 20711, 37252, 39932, 41422, 82844, 121069, 129779, 242138, 259558, 269243, 484276, 519116, 538486, 1076972, 1387637, 2775274, 5550548, 18039281, 36078562, 72157124]

約数ペア:

[(1, 72157124), (2, 36078562), (4, 18039281), (13, 5550548), (26, 2775274), (52, 1387637), (67, 1076972), (134, 538486), (139, 519116), (149, 484276), (268, 269243), (278, 259558), (298, 242138), (556, 129779), (596, 121069), (871, 82844), (1742, 41422), (1807, 39932), (1937, 37252), (3484, 20711), (3614, 19966), (3874, 18626), (7228, 9983), (7748, 9313)]