640005702

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{192889}}^1$

素因数の和:192980

約数の個数: 32

約数和(自身を含む): 1481395200

約数和(自身を除く): 841389498

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 192889, 385778, 578667, 1157334, 1350223, 2700446, 4050669, 8101338, 15238231, 30476462, 45714693, 91429386, 106667617, 213335234, 320002851, 640005702]

約数ペア:

[(1, 640005702), (2, 320002851), (3, 213335234), (6, 106667617), (7, 91429386), (14, 45714693), (21, 30476462), (42, 15238231), (79, 8101338), (158, 4050669), (237, 2700446), (474, 1350223), (553, 1157334), (1106, 578667), (1659, 385778), (3318, 192889)]