7892885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 13547520

約数和(自身を除く): 5654635

約数列:

[1, 5, 7, 11, 13, 19, 35, 55, 65, 77, 83, 91, 95, 133, 143, 209, 247, 385, 415, 455, 581, 665, 715, 913, 1001, 1045, 1079, 1235, 1463, 1577, 1729, 2717, 2905, 4565, 5005, 5395, 6391, 7315, 7553, 7885, 8645, 11039, 11869, 13585, 17347, 19019, 20501, 31955, 37765, 55195, 59345, 83083, 86735, 95095, 102505, 121429, 143507, 225511, 415415, 607145, 717535, 1127555, 1578577, 7892885]

約数ペア:

[(1, 7892885), (5, 1578577), (7, 1127555), (11, 717535), (13, 607145), (19, 415415), (35, 225511), (55, 143507), (65, 121429), (77, 102505), (83, 95095), (91, 86735), (95, 83083), (133, 59345), (143, 55195), (209, 37765), (247, 31955), (385, 20501), (415, 19019), (455, 17347), (581, 13585), (665, 11869), (715, 11039), (913, 8645), (1001, 7885), (1045, 7553), (1079, 7315), (1235, 6391), (1463, 5395), (1577, 5005), (1729, 4565), (2717, 2905)]