981000808090

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{190657}}^1\times {\mathrm{7247}}^1$

素因数の和:197982

約数の個数: 32

約数和(自身を含む): 1790928382464

約数和(自身を除く): 809927574374

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 7247, 14494, 36235, 72470, 190657, 381314, 514537, 953285, 1029074, 1906570, 2572685, 5145370, 13536647, 27073294, 67683235, 135366470, 1381691279, 2763382558, 6908456395, 13816912790, 98100080809, 196200161618, 490500404045, 981000808090]

約数ペア:

[(1, 981000808090), (2, 490500404045), (5, 196200161618), (10, 98100080809), (71, 13816912790), (142, 6908456395), (355, 2763382558), (710, 1381691279), (7247, 135366470), (14494, 67683235), (36235, 27073294), (72470, 13536647), (190657, 5145370), (381314, 2572685), (514537, 1906570), (953285, 1029074)]