218298678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{68261}}^1$

素因数の和:68320

約数の個数: 32

約数和(自身を含む): 481656672

約数和(自身を除く): 263357994

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 246, 533, 1066, 1599, 3198, 68261, 136522, 204783, 409566, 887393, 1774786, 2662179, 2798701, 5324358, 5597402, 8396103, 16792206, 36383113, 72766226, 109149339, 218298678]

約数ペア:

[(1, 218298678), (2, 109149339), (3, 72766226), (6, 36383113), (13, 16792206), (26, 8396103), (39, 5597402), (41, 5324358), (78, 2798701), (82, 2662179), (123, 1774786), (246, 887393), (533, 409566), (1066, 204783), (1599, 136522), (3198, 68261)]