2113221890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{1451}}^1$

素因数の和:2147

約数の個数: 64

約数和(自身を含む): 4346939520

約数和(自身を除く): 2233717630

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 659, 1105, 1318, 1451, 2210, 2902, 3295, 6590, 7255, 8567, 11203, 14510, 17134, 18863, 22406, 24667, 37726, 42835, 49334, 56015, 85670, 94315, 112030, 123335, 145639, 188630, 246670, 291278, 320671, 641342, 728195, 956209, 1456390, 1603355, 1912418, 3206710, 4781045, 9562090, 12430717, 16255553, 24861434, 32511106, 62153585, 81277765, 124307170, 162555530, 211322189, 422644378, 1056610945, 2113221890]

約数ペア:

[(1, 2113221890), (2, 1056610945), (5, 422644378), (10, 211322189), (13, 162555530), (17, 124307170), (26, 81277765), (34, 62153585), (65, 32511106), (85, 24861434), (130, 16255553), (170, 12430717), (221, 9562090), (442, 4781045), (659, 3206710), (1105, 1912418), (1318, 1603355), (1451, 1456390), (2210, 956209), (2902, 728195), (3295, 641342), (6590, 320671), (7255, 291278), (8567, 246670), (11203, 188630), (14510, 145639), (17134, 123335), (18863, 112030), (22406, 94315), (24667, 85670), (37726, 56015), (42835, 49334)]