72161908

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 160161792

約数和(自身を除く): 87999884

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 127, 182, 196, 223, 254, 364, 446, 508, 637, 889, 892, 1274, 1561, 1651, 1778, 2548, 2899, 3122, 3302, 3556, 5798, 6223, 6244, 6604, 10927, 11557, 11596, 12446, 20293, 21854, 23114, 24892, 28321, 40586, 43708, 46228, 56642, 80899, 81172, 113284, 142051, 161798, 198247, 284102, 323596, 368173, 396494, 568204, 736346, 792988, 1387729, 1472692, 2577211, 2775458, 5154422, 5550916, 10308844, 18040477, 36080954, 72161908]

約数ペア:

[(1, 72161908), (2, 36080954), (4, 18040477), (7, 10308844), (13, 5550916), (14, 5154422), (26, 2775458), (28, 2577211), (49, 1472692), (52, 1387729), (91, 792988), (98, 736346), (127, 568204), (182, 396494), (196, 368173), (223, 323596), (254, 284102), (364, 198247), (446, 161798), (508, 142051), (637, 113284), (889, 81172), (892, 80899), (1274, 56642), (1561, 46228), (1651, 43708), (1778, 40586), (2548, 28321), (2899, 24892), (3122, 23114), (3302, 21854), (3556, 20293), (5798, 12446), (6223, 11596), (6244, 11557), (6604, 10927)]