280486518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{156347}}^1$

素因数の和:156388

約数の個数: 32

約数和(自身を含む): 630395136

約数和(自身を除く): 349908618

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 156347, 312694, 469041, 938082, 2032511, 3595981, 4065022, 6097533, 7191962, 10787943, 12195066, 21575886, 46747753, 93495506, 140243259, 280486518]

約数ペア:

[(1, 280486518), (2, 140243259), (3, 93495506), (6, 46747753), (13, 21575886), (23, 12195066), (26, 10787943), (39, 7191962), (46, 6097533), (69, 4065022), (78, 3595981), (138, 2032511), (299, 938082), (598, 469041), (897, 312694), (1794, 156347)]