129467648

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 278147520

約数和(自身を除く): 148679872

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 71, 128, 136, 142, 256, 272, 284, 419, 544, 568, 838, 1088, 1136, 1207, 1676, 2176, 2272, 2414, 3352, 4352, 4544, 4828, 6704, 7123, 9088, 9656, 13408, 14246, 18176, 19312, 26816, 28492, 29749, 38624, 53632, 56984, 59498, 77248, 107264, 113968, 118996, 154496, 227936, 237992, 308992, 455872, 475984, 505733, 911744, 951968, 1011466, 1823488, 1903936, 2022932, 3807872, 4045864, 7615744, 8091728, 16183456, 32366912, 64733824, 129467648]

約数ペア:

[(1, 129467648), (2, 64733824), (4, 32366912), (8, 16183456), (16, 8091728), (17, 7615744), (32, 4045864), (34, 3807872), (64, 2022932), (68, 1903936), (71, 1823488), (128, 1011466), (136, 951968), (142, 911744), (256, 505733), (272, 475984), (284, 455872), (419, 308992), (544, 237992), (568, 227936), (838, 154496), (1088, 118996), (1136, 113968), (1207, 107264), (1676, 77248), (2176, 59498), (2272, 56984), (2414, 53632), (3352, 38624), (4352, 29749), (4544, 28492), (4828, 26816), (6704, 19312), (7123, 18176), (9088, 14246), (9656, 13408)]