27443990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12647}}^1$

素因数の和:12692

約数の個数: 32

約数和(自身を含む): 58281984

約数和(自身を除く): 30837994

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 12647, 25294, 63235, 88529, 126470, 177058, 392057, 442645, 784114, 885290, 1960285, 2744399, 3920570, 5488798, 13721995, 27443990]

約数ペア:

[(1, 27443990), (2, 13721995), (5, 5488798), (7, 3920570), (10, 2744399), (14, 1960285), (31, 885290), (35, 784114), (62, 442645), (70, 392057), (155, 177058), (217, 126470), (310, 88529), (434, 63235), (1085, 25294), (2170, 12647)]