1278466376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{4691}}^1$

素因数の和:4890

約数の個数: 64

約数和(自身を含む): 2770156800

約数和(自身を除く): 1491690424

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 163, 209, 326, 418, 652, 836, 1304, 1672, 1793, 3097, 3586, 4691, 6194, 7172, 9382, 12388, 14344, 18764, 24776, 34067, 37528, 51601, 68134, 89129, 103202, 136268, 178258, 206404, 272536, 356516, 412808, 713032, 764633, 980419, 1529266, 1960838, 3058532, 3921676, 6117064, 7843352, 8410963, 14528027, 16821926, 29056054, 33643852, 58112108, 67287704, 116224216, 159808297, 319616594, 639233188, 1278466376]

約数ペア:

[(1, 1278466376), (2, 639233188), (4, 319616594), (8, 159808297), (11, 116224216), (19, 67287704), (22, 58112108), (38, 33643852), (44, 29056054), (76, 16821926), (88, 14528027), (152, 8410963), (163, 7843352), (209, 6117064), (326, 3921676), (418, 3058532), (652, 1960838), (836, 1529266), (1304, 980419), (1672, 764633), (1793, 713032), (3097, 412808), (3586, 356516), (4691, 272536), (6194, 206404), (7172, 178258), (9382, 136268), (12388, 103202), (14344, 89129), (18764, 68134), (24776, 51601), (34067, 37528)]