161820186

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:755

約数の個数: 64

約数和(自身を含む): 367718400

約数和(自身を除く): 205898214

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 139, 186, 278, 341, 417, 569, 682, 834, 1023, 1138, 1529, 1707, 2046, 3058, 3414, 4309, 4587, 6259, 8618, 9174, 12518, 12927, 17639, 18777, 25854, 35278, 37554, 47399, 52917, 79091, 94798, 105834, 142197, 158182, 194029, 237273, 284394, 388058, 474546, 582087, 870001, 1164174, 1740002, 2451821, 2610003, 4903642, 5220006, 7355463, 14710926, 26970031, 53940062, 80910093, 161820186]

約数ペア:

[(1, 161820186), (2, 80910093), (3, 53940062), (6, 26970031), (11, 14710926), (22, 7355463), (31, 5220006), (33, 4903642), (62, 2610003), (66, 2451821), (93, 1740002), (139, 1164174), (186, 870001), (278, 582087), (341, 474546), (417, 388058), (569, 284394), (682, 237273), (834, 194029), (1023, 158182), (1138, 142197), (1529, 105834), (1707, 94798), (2046, 79091), (3058, 52917), (3414, 47399), (4309, 37554), (4587, 35278), (6259, 25854), (8618, 18777), (9174, 17639), (12518, 12927)]