431969980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{2633}}^1$

素因数の和:3286

約数の個数: 48

約数和(自身を含む): 978836544

約数和(自身を除く): 546866564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 631, 1262, 2524, 2633, 3155, 5266, 6310, 8203, 10532, 12620, 13165, 16406, 26330, 32812, 34229, 41015, 52660, 68458, 82030, 136916, 164060, 171145, 342290, 684580, 1661423, 3322846, 6645692, 8307115, 16614230, 21598499, 33228460, 43196998, 86393996, 107992495, 215984990, 431969980]

約数ペア:

[(1, 431969980), (2, 215984990), (4, 107992495), (5, 86393996), (10, 43196998), (13, 33228460), (20, 21598499), (26, 16614230), (52, 8307115), (65, 6645692), (130, 3322846), (260, 1661423), (631, 684580), (1262, 342290), (2524, 171145), (2633, 164060), (3155, 136916), (5266, 82030), (6310, 68458), (8203, 52660), (10532, 41015), (12620, 34229), (13165, 32812), (16406, 26330)]