161222148

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 415971192

約数和(自身を除く): 254749044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 137, 194, 274, 291, 337, 388, 411, 548, 582, 674, 822, 873, 1011, 1164, 1233, 1348, 1644, 1746, 2022, 2466, 3033, 3492, 4044, 4932, 6066, 12132, 13289, 26578, 32689, 39867, 46169, 53156, 65378, 79734, 92338, 98067, 119601, 130756, 138507, 159468, 184676, 196134, 239202, 277014, 294201, 392268, 415521, 478404, 554028, 588402, 831042, 1176804, 1662084, 4478393, 8956786, 13435179, 17913572, 26870358, 40305537, 53740716, 80611074, 161222148]

約数ペア:

[(1, 161222148), (2, 80611074), (3, 53740716), (4, 40305537), (6, 26870358), (9, 17913572), (12, 13435179), (18, 8956786), (36, 4478393), (97, 1662084), (137, 1176804), (194, 831042), (274, 588402), (291, 554028), (337, 478404), (388, 415521), (411, 392268), (548, 294201), (582, 277014), (674, 239202), (822, 196134), (873, 184676), (1011, 159468), (1164, 138507), (1233, 130756), (1348, 119601), (1644, 98067), (1746, 92338), (2022, 79734), (2466, 65378), (3033, 53156), (3492, 46169), (4044, 39867), (4932, 32689), (6066, 26578), (12132, 13289)]