661636836

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{291727}}^1$

素因数の和:291750

約数の個数: 60

約数和(自身を含む): 1976748928

約数和(自身を除く): 1315112092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 291727, 583454, 875181, 1166908, 1750362, 2042089, 2625543, 3500724, 4084178, 5251086, 6126267, 7876629, 8168356, 10502172, 12252534, 15753258, 18378801, 23629887, 24505068, 31506516, 36757602, 47259774, 55136403, 73515204, 94519548, 110272806, 165409209, 220545612, 330818418, 661636836]

約数ペア:

[(1, 661636836), (2, 330818418), (3, 220545612), (4, 165409209), (6, 110272806), (7, 94519548), (9, 73515204), (12, 55136403), (14, 47259774), (18, 36757602), (21, 31506516), (27, 24505068), (28, 23629887), (36, 18378801), (42, 15753258), (54, 12252534), (63, 10502172), (81, 8168356), (84, 7876629), (108, 6126267), (126, 5251086), (162, 4084178), (189, 3500724), (252, 2625543), (324, 2042089), (378, 1750362), (567, 1166908), (756, 875181), (1134, 583454), (2268, 291727)]