31740982

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 63060480

約数和(自身を除く): 31319498

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 67, 91, 133, 134, 137, 182, 247, 266, 274, 469, 494, 871, 938, 959, 1273, 1729, 1742, 1781, 1918, 2546, 2603, 3458, 3562, 5206, 6097, 8911, 9179, 12194, 12467, 16549, 17822, 18221, 18358, 24934, 33098, 33839, 36442, 64253, 67678, 115843, 119327, 128506, 174401, 231686, 236873, 238654, 348802, 473746, 835289, 1220807, 1670578, 2267213, 2441614, 4534426, 15870491, 31740982]

約数ペア:

[(1, 31740982), (2, 15870491), (7, 4534426), (13, 2441614), (14, 2267213), (19, 1670578), (26, 1220807), (38, 835289), (67, 473746), (91, 348802), (133, 238654), (134, 236873), (137, 231686), (182, 174401), (247, 128506), (266, 119327), (274, 115843), (469, 67678), (494, 64253), (871, 36442), (938, 33839), (959, 33098), (1273, 24934), (1729, 18358), (1742, 18221), (1781, 17822), (1918, 16549), (2546, 12467), (2603, 12194), (3458, 9179), (3562, 8911), (5206, 6097)]