63999968

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1657}}^1$

素因数の和:1755

約数の個数: 48

約数和(自身を含む): 135372384

約数和(自身を除く): 71372416

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 71, 136, 142, 272, 284, 544, 568, 1136, 1207, 1657, 2272, 2414, 3314, 4828, 6628, 9656, 13256, 19312, 26512, 28169, 38624, 53024, 56338, 112676, 117647, 225352, 235294, 450704, 470588, 901408, 941176, 1882352, 1999999, 3764704, 3999998, 7999996, 15999992, 31999984, 63999968]

約数ペア:

[(1, 63999968), (2, 31999984), (4, 15999992), (8, 7999996), (16, 3999998), (17, 3764704), (32, 1999999), (34, 1882352), (68, 941176), (71, 901408), (136, 470588), (142, 450704), (272, 235294), (284, 225352), (544, 117647), (568, 112676), (1136, 56338), (1207, 53024), (1657, 38624), (2272, 28169), (2414, 26512), (3314, 19312), (4828, 13256), (6628, 9656)]