18700268515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 24688115712

約数和(自身を除く): 5987847197

約数列:

[1, 5, 17, 53, 85, 103, 191, 211, 265, 515, 901, 955, 1055, 1751, 3247, 3587, 4505, 5459, 8755, 10123, 11183, 16235, 17935, 19673, 21733, 27295, 40301, 50615, 55915, 92803, 98365, 108665, 172091, 190111, 201505, 334441, 369461, 464015, 685117, 860455, 950555, 1042669, 1151849, 1672205, 1847305, 2135953, 3425585, 4151003, 5213345, 5759245, 10679765, 17725373, 19581433, 20755015, 36311201, 70567051, 88626865, 97907165, 181556005, 220003159, 352835255, 1100015795, 3740053703, 18700268515]

約数ペア:

[(1, 18700268515), (5, 3740053703), (17, 1100015795), (53, 352835255), (85, 220003159), (103, 181556005), (191, 97907165), (211, 88626865), (265, 70567051), (515, 36311201), (901, 20755015), (955, 19581433), (1055, 17725373), (1751, 10679765), (3247, 5759245), (3587, 5213345), (4505, 4151003), (5459, 3425585), (8755, 2135953), (10123, 1847305), (11183, 1672205), (16235, 1151849), (17935, 1042669), (19673, 950555), (21733, 860455), (27295, 685117), (40301, 464015), (50615, 369461), (55915, 334441), (92803, 201505), (98365, 190111), (108665, 172091)]