291556460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{65963}}^1$

素因数の和:66002

約数の個数: 48

約数和(自身を含む): 698162976

約数和(自身を除く): 406606516

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 65963, 131926, 263852, 329815, 659630, 857519, 1121371, 1319260, 1715038, 2242742, 3430076, 4287595, 4485484, 5606855, 8575190, 11213710, 14577823, 17150380, 22427420, 29155646, 58311292, 72889115, 145778230, 291556460]

約数ペア:

[(1, 291556460), (2, 145778230), (4, 72889115), (5, 58311292), (10, 29155646), (13, 22427420), (17, 17150380), (20, 14577823), (26, 11213710), (34, 8575190), (52, 5606855), (65, 4485484), (68, 4287595), (85, 3430076), (130, 2242742), (170, 1715038), (221, 1319260), (260, 1121371), (340, 857519), (442, 659630), (884, 329815), (1105, 263852), (2210, 131926), (4420, 65963)]