81288112

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2251}}^1$

素因数の和:2357

約数の個数: 40

約数和(自身を含む): 164477072

約数和(自身を除く): 83188960

約数列:

[1, 2, 4, 8, 16, 37, 61, 74, 122, 148, 244, 296, 488, 592, 976, 2251, 2257, 4502, 4514, 9004, 9028, 18008, 18056, 36016, 36112, 83287, 137311, 166574, 274622, 333148, 549244, 666296, 1098488, 1332592, 2196976, 5080507, 10161014, 20322028, 40644056, 81288112]

約数ペア:

[(1, 81288112), (2, 40644056), (4, 20322028), (8, 10161014), (16, 5080507), (37, 2196976), (61, 1332592), (74, 1098488), (122, 666296), (148, 549244), (244, 333148), (296, 274622), (488, 166574), (592, 137311), (976, 83287), (2251, 36112), (2257, 36016), (4502, 18056), (4514, 18008), (9004, 9028)]