71971216

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1993}}^1$

素因数の和:2099

約数の個数: 40

約数和(自身を含む): 145633784

約数和(自身を除く): 73662568

約数列:

[1, 2, 4, 8, 16, 37, 61, 74, 122, 148, 244, 296, 488, 592, 976, 1993, 2257, 3986, 4514, 7972, 9028, 15944, 18056, 31888, 36112, 73741, 121573, 147482, 243146, 294964, 486292, 589928, 972584, 1179856, 1945168, 4498201, 8996402, 17992804, 35985608, 71971216]

約数ペア:

[(1, 71971216), (2, 35985608), (4, 17992804), (8, 8996402), (16, 4498201), (37, 1945168), (61, 1179856), (74, 972584), (122, 589928), (148, 486292), (244, 294964), (296, 243146), (488, 147482), (592, 121573), (976, 73741), (1993, 36112), (2257, 31888), (3986, 18056), (4514, 15944), (7972, 9028)]