138972990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8287}}^1$

素因数の和:8353

約数の個数: 64

約数和(自身を含む): 367589376

約数和(自身を除く): 228616386

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 2795, 3354, 5590, 8287, 8385, 16574, 16770, 24861, 41435, 49722, 82870, 107731, 124305, 215462, 248610, 323193, 356341, 538655, 646386, 712682, 1069023, 1077310, 1615965, 1781705, 2138046, 3231930, 3563410, 4632433, 5345115, 9264866, 10690230, 13897299, 23162165, 27794598, 46324330, 69486495, 138972990]

約数ペア:

[(1, 138972990), (2, 69486495), (3, 46324330), (5, 27794598), (6, 23162165), (10, 13897299), (13, 10690230), (15, 9264866), (26, 5345115), (30, 4632433), (39, 3563410), (43, 3231930), (65, 2138046), (78, 1781705), (86, 1615965), (129, 1077310), (130, 1069023), (195, 712682), (215, 646386), (258, 538655), (390, 356341), (430, 323193), (559, 248610), (645, 215462), (1118, 124305), (1290, 107731), (1677, 82870), (2795, 49722), (3354, 41435), (5590, 24861), (8287, 16770), (8385, 16574)]