247889642

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{123821}}^1$

素因数の和:123854

約数の個数: 32

約数和(自身を含む): 499250304

約数和(自身を除く): 251360662

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 123821, 247642, 866747, 1362031, 1609673, 1733494, 2724062, 3219346, 9534217, 11267711, 17706403, 19068434, 22535422, 35412806, 123944821, 247889642]

約数ペア:

[(1, 247889642), (2, 123944821), (7, 35412806), (11, 22535422), (13, 19068434), (14, 17706403), (22, 11267711), (26, 9534217), (77, 3219346), (91, 2724062), (143, 1733494), (154, 1609673), (182, 1362031), (286, 866747), (1001, 247642), (2002, 123821)]