291223492

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{253679}}^1$

素因数の和:253731

約数の個数: 24

約数和(自身を含む): 596655360

約数和(自身を除く): 305431868

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 253679, 507358, 1014716, 1775753, 3551506, 7103012, 10400839, 20801678, 41603356, 72805873, 145611746, 291223492]

約数ペア:

[(1, 291223492), (2, 145611746), (4, 72805873), (7, 41603356), (14, 20801678), (28, 10400839), (41, 7103012), (82, 3551506), (164, 1775753), (287, 1014716), (574, 507358), (1148, 253679)]