137985925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1667}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 218414592

約数和(自身を除く): 80428667

約数列:

[1, 5, 7, 11, 25, 35, 43, 55, 77, 175, 215, 275, 301, 385, 473, 1075, 1505, 1667, 1925, 2365, 3311, 7525, 8335, 11669, 11825, 16555, 18337, 41675, 58345, 71681, 82775, 91685, 128359, 291725, 358405, 458425, 501767, 641795, 788491, 1792025, 2508835, 3208975, 3942455, 5519437, 12544175, 19712275, 27597185, 137985925]

約数ペア:

[(1, 137985925), (5, 27597185), (7, 19712275), (11, 12544175), (25, 5519437), (35, 3942455), (43, 3208975), (55, 2508835), (77, 1792025), (175, 788491), (215, 641795), (275, 501767), (301, 458425), (385, 358405), (473, 291725), (1075, 128359), (1505, 91685), (1667, 82775), (1925, 71681), (2365, 58345), (3311, 41675), (7525, 18337), (8335, 16555), (11669, 11825)]