69721808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5003}}^1$

素因数の和:5091

約数の個数: 40

約数和(自身を含む): 147678048

約数和(自身を除く): 77956240

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 5003, 6968, 10006, 13936, 20012, 40024, 65039, 80048, 130078, 260156, 335201, 520312, 670402, 1040624, 1340804, 2681608, 4357613, 5363216, 8715226, 17430452, 34860904, 69721808]

約数ペア:

[(1, 69721808), (2, 34860904), (4, 17430452), (8, 8715226), (13, 5363216), (16, 4357613), (26, 2681608), (52, 1340804), (67, 1040624), (104, 670402), (134, 520312), (208, 335201), (268, 260156), (536, 130078), (871, 80048), (1072, 65039), (1742, 40024), (3484, 20012), (5003, 13936), (6968, 10006)]