647588110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{68239}}^1$

素因数の和:68332

約数の個数: 32

約数和(自身を含む): 1272539520

約数和(自身を除く): 624951410

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4745, 9490, 68239, 136478, 341195, 682390, 887107, 1774214, 4435535, 4981447, 8871070, 9962894, 24907235, 49814470, 64758811, 129517622, 323794055, 647588110]

約数ペア:

[(1, 647588110), (2, 323794055), (5, 129517622), (10, 64758811), (13, 49814470), (26, 24907235), (65, 9962894), (73, 8871070), (130, 4981447), (146, 4435535), (365, 1774214), (730, 887107), (949, 682390), (1898, 341195), (4745, 136478), (9490, 68239)]