31259718

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 81948672

約数和(自身を除く): 50688954

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 53, 62, 63, 93, 106, 126, 151, 159, 186, 217, 279, 302, 318, 371, 434, 453, 477, 558, 651, 742, 906, 954, 1057, 1113, 1302, 1359, 1643, 1953, 2114, 2226, 2718, 3171, 3286, 3339, 3906, 4681, 4929, 6342, 6678, 8003, 9362, 9513, 9858, 11501, 14043, 14787, 16006, 19026, 23002, 24009, 28086, 29574, 32767, 34503, 42129, 48018, 56021, 65534, 69006, 72027, 84258, 98301, 103509, 112042, 144054, 168063, 196602, 207018, 248093, 294903, 336126, 496186, 504189, 589806, 744279, 1008378, 1488558, 1736651, 2232837, 3473302, 4465674, 5209953, 10419906, 15629859, 31259718]

約数ペア:

[(1, 31259718), (2, 15629859), (3, 10419906), (6, 5209953), (7, 4465674), (9, 3473302), (14, 2232837), (18, 1736651), (21, 1488558), (31, 1008378), (42, 744279), (53, 589806), (62, 504189), (63, 496186), (93, 336126), (106, 294903), (126, 248093), (151, 207018), (159, 196602), (186, 168063), (217, 144054), (279, 112042), (302, 103509), (318, 98301), (371, 84258), (434, 72027), (453, 69006), (477, 65534), (558, 56021), (651, 48018), (742, 42129), (906, 34503), (954, 32767), (1057, 29574), (1113, 28086), (1302, 24009), (1359, 23002), (1643, 19026), (1953, 16006), (2114, 14787), (2226, 14043), (2718, 11501), (3171, 9858), (3286, 9513), (3339, 9362), (3906, 8003), (4681, 6678), (4929, 6342)]