221420728

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{12263}}^1$

素因数の和:12367

約数の個数: 32

約数和(自身を含む): 433409760

約数和(自身を除く): 211989032

約数列:

[1, 2, 4, 8, 37, 61, 74, 122, 148, 244, 296, 488, 2257, 4514, 9028, 12263, 18056, 24526, 49052, 98104, 453731, 748043, 907462, 1496086, 1814924, 2992172, 3629848, 5984344, 27677591, 55355182, 110710364, 221420728]

約数ペア:

[(1, 221420728), (2, 110710364), (4, 55355182), (8, 27677591), (37, 5984344), (61, 3629848), (74, 2992172), (122, 1814924), (148, 1496086), (244, 907462), (296, 748043), (488, 453731), (2257, 98104), (4514, 49052), (9028, 24526), (12263, 18056)]