71221976

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{947}}^1$

素因数の和:1056

約数の個数: 64

約数和(自身を含む): 163814400

約数和(自身を除く): 92592424

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 79, 119, 136, 158, 238, 316, 476, 553, 632, 947, 952, 1106, 1343, 1894, 2212, 2686, 3788, 4424, 5372, 6629, 7576, 9401, 10744, 13258, 16099, 18802, 26516, 32198, 37604, 53032, 64396, 74813, 75208, 112693, 128792, 149626, 225386, 299252, 450772, 523691, 598504, 901544, 1047382, 1271821, 2094764, 2543642, 4189528, 5087284, 8902747, 10174568, 17805494, 35610988, 71221976]

約数ペア:

[(1, 71221976), (2, 35610988), (4, 17805494), (7, 10174568), (8, 8902747), (14, 5087284), (17, 4189528), (28, 2543642), (34, 2094764), (56, 1271821), (68, 1047382), (79, 901544), (119, 598504), (136, 523691), (158, 450772), (238, 299252), (316, 225386), (476, 149626), (553, 128792), (632, 112693), (947, 75208), (952, 74813), (1106, 64396), (1343, 53032), (1894, 37604), (2212, 32198), (2686, 26516), (3788, 18802), (4424, 16099), (5372, 13258), (6629, 10744), (7576, 9401)]