71877988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{547}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 163689792

約数和(自身を除く): 91811804

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 361, 364, 494, 532, 547, 722, 988, 1094, 1444, 1729, 2188, 2527, 3458, 3829, 4693, 5054, 6916, 7111, 7658, 9386, 10108, 10393, 14222, 15316, 18772, 20786, 28444, 32851, 41572, 49777, 65702, 72751, 99554, 131404, 135109, 145502, 197467, 199108, 270218, 291004, 394934, 540436, 789868, 945763, 1382269, 1891526, 2567071, 2764538, 3783052, 5134142, 5529076, 10268284, 17969497, 35938994, 71877988]

約数ペア:

[(1, 71877988), (2, 35938994), (4, 17969497), (7, 10268284), (13, 5529076), (14, 5134142), (19, 3783052), (26, 2764538), (28, 2567071), (38, 1891526), (52, 1382269), (76, 945763), (91, 789868), (133, 540436), (182, 394934), (247, 291004), (266, 270218), (361, 199108), (364, 197467), (494, 145502), (532, 135109), (547, 131404), (722, 99554), (988, 72751), (1094, 65702), (1444, 49777), (1729, 41572), (2188, 32851), (2527, 28444), (3458, 20786), (3829, 18772), (4693, 15316), (5054, 14222), (6916, 10393), (7111, 10108), (7658, 9386)]