257561172

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{8233}}^1$

素因数の和:8333

約数の個数: 72

約数和(自身を含む): 719322240

約数和(自身を除く): 461761068

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 79, 99, 132, 158, 198, 237, 316, 396, 474, 711, 869, 948, 1422, 1738, 2607, 2844, 3476, 5214, 7821, 8233, 10428, 15642, 16466, 24699, 31284, 32932, 49398, 74097, 90563, 98796, 148194, 181126, 271689, 296388, 362252, 543378, 650407, 815067, 1086756, 1300814, 1630134, 1951221, 2601628, 3260268, 3902442, 5853663, 7154477, 7804884, 11707326, 14308954, 21463431, 23414652, 28617908, 42926862, 64390293, 85853724, 128780586, 257561172]

約数ペア:

[(1, 257561172), (2, 128780586), (3, 85853724), (4, 64390293), (6, 42926862), (9, 28617908), (11, 23414652), (12, 21463431), (18, 14308954), (22, 11707326), (33, 7804884), (36, 7154477), (44, 5853663), (66, 3902442), (79, 3260268), (99, 2601628), (132, 1951221), (158, 1630134), (198, 1300814), (237, 1086756), (316, 815067), (396, 650407), (474, 543378), (711, 362252), (869, 296388), (948, 271689), (1422, 181126), (1738, 148194), (2607, 98796), (2844, 90563), (3476, 74097), (5214, 49398), (7821, 32932), (8233, 31284), (10428, 24699), (15642, 16466)]