72725828

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 148721664

約数和(自身を除く): 75995836

約数列:

[1, 2, 4, 7, 14, 28, 103, 151, 167, 206, 302, 334, 412, 604, 668, 721, 1057, 1169, 1442, 2114, 2338, 2884, 4228, 4676, 15553, 17201, 25217, 31106, 34402, 50434, 62212, 68804, 100868, 108871, 120407, 176519, 217742, 240814, 353038, 435484, 481628, 706076, 2597351, 5194702, 10389404, 18181457, 36362914, 72725828]

約数ペア:

[(1, 72725828), (2, 36362914), (4, 18181457), (7, 10389404), (14, 5194702), (28, 2597351), (103, 706076), (151, 481628), (167, 435484), (206, 353038), (302, 240814), (334, 217742), (412, 176519), (604, 120407), (668, 108871), (721, 100868), (1057, 68804), (1169, 62212), (1442, 50434), (2114, 34402), (2338, 31106), (2884, 25217), (4228, 17201), (4676, 15553)]