551678990

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1\times {\mathrm{1193}}^1$

素因数の和:1684

約数の個数: 32

約数和(自身を含む): 1004278176

約数和(自身を除く): 452599186

約数列:

[1, 2, 5, 10, 131, 262, 353, 655, 706, 1193, 1310, 1765, 2386, 3530, 5965, 11930, 46243, 92486, 156283, 231215, 312566, 421129, 462430, 781415, 842258, 1562830, 2105645, 4211290, 55167899, 110335798, 275839495, 551678990]

約数ペア:

[(1, 551678990), (2, 275839495), (5, 110335798), (10, 55167899), (131, 4211290), (262, 2105645), (353, 1562830), (655, 842258), (706, 781415), (1193, 462430), (1310, 421129), (1765, 312566), (2386, 231215), (3530, 156283), (5965, 92486), (11930, 46243)]