251318368

素因数分解:

$2^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{21169}}^1$

素因数の和:21239

約数の個数: 48

約数和(自身を含む): 576162720

約数和(自身を除く): 324844352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 106, 112, 212, 224, 371, 424, 742, 848, 1484, 1696, 2968, 5936, 11872, 21169, 42338, 84676, 148183, 169352, 296366, 338704, 592732, 677408, 1121957, 1185464, 2243914, 2370928, 4487828, 4741856, 7853699, 8975656, 15707398, 17951312, 31414796, 35902624, 62829592, 125659184, 251318368]

約数ペア:

[(1, 251318368), (2, 125659184), (4, 62829592), (7, 35902624), (8, 31414796), (14, 17951312), (16, 15707398), (28, 8975656), (32, 7853699), (53, 4741856), (56, 4487828), (106, 2370928), (112, 2243914), (212, 1185464), (224, 1121957), (371, 677408), (424, 592732), (742, 338704), (848, 296366), (1484, 169352), (1696, 148183), (2968, 84676), (5936, 42338), (11872, 21169)]