161812090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{173}}^1\times {\mathrm{773}}^1$

素因数の和:975

約数の個数: 48

約数和(自身を含む): 322414344

約数和(自身を除く): 160602254

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 173, 242, 346, 605, 773, 865, 1210, 1546, 1730, 1903, 3806, 3865, 7730, 8503, 9515, 17006, 19030, 20933, 41866, 42515, 85030, 93533, 104665, 133729, 187066, 209330, 267458, 467665, 668645, 935330, 1337290, 1471019, 2942038, 7355095, 14710190, 16181209, 32362418, 80906045, 161812090]

約数ペア:

[(1, 161812090), (2, 80906045), (5, 32362418), (10, 16181209), (11, 14710190), (22, 7355095), (55, 2942038), (110, 1471019), (121, 1337290), (173, 935330), (242, 668645), (346, 467665), (605, 267458), (773, 209330), (865, 187066), (1210, 133729), (1546, 104665), (1730, 93533), (1903, 85030), (3806, 42515), (3865, 41866), (7730, 20933), (8503, 19030), (9515, 17006)]