68972944

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4157}}^1$

素因数の和:4243

約数の個数: 40

約数和(自身を含む): 143850168

約数和(自身を除く): 74877224

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 976, 1037, 2074, 4148, 4157, 8296, 8314, 16592, 16628, 33256, 66512, 70669, 141338, 253577, 282676, 507154, 565352, 1014308, 1130704, 2028616, 4057232, 4310809, 8621618, 17243236, 34486472, 68972944]

約数ペア:

[(1, 68972944), (2, 34486472), (4, 17243236), (8, 8621618), (16, 4310809), (17, 4057232), (34, 2028616), (61, 1130704), (68, 1014308), (122, 565352), (136, 507154), (244, 282676), (272, 253577), (488, 141338), (976, 70669), (1037, 66512), (2074, 33256), (4148, 16628), (4157, 16592), (8296, 8314)]