1900405507

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{3947}}^1$

素因数の和:4028

約数の個数: 48

約数和(自身を含む): 2635621632

約数和(自身を除く): 735216125

約数列:

[1, 7, 11, 13, 37, 77, 91, 143, 169, 259, 407, 481, 1001, 1183, 1859, 2849, 3367, 3947, 5291, 6253, 13013, 27629, 37037, 43417, 43771, 51311, 68783, 146039, 303919, 359177, 481481, 564421, 667043, 1022273, 1606429, 1898507, 3950947, 4669301, 7337473, 11245003, 13289549, 20883577, 24680591, 51362311, 146185039, 172764137, 271486501, 1900405507]

約数ペア:

[(1, 1900405507), (7, 271486501), (11, 172764137), (13, 146185039), (37, 51362311), (77, 24680591), (91, 20883577), (143, 13289549), (169, 11245003), (259, 7337473), (407, 4669301), (481, 3950947), (1001, 1898507), (1183, 1606429), (1859, 1022273), (2849, 667043), (3367, 564421), (3947, 481481), (5291, 359177), (6253, 303919), (13013, 146039), (27629, 68783), (37037, 51311), (43417, 43771)]