128520678

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149791}}^1$

素因数の和:149820

約数の個数: 32

約数和(自身を含む): 301980672

約数和(自身を除く): 173459994

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 149791, 299582, 449373, 898746, 1647701, 1947283, 3295402, 3894566, 4943103, 5841849, 9886206, 11683698, 21420113, 42840226, 64260339, 128520678]

約数ペア:

[(1, 128520678), (2, 64260339), (3, 42840226), (6, 21420113), (11, 11683698), (13, 9886206), (22, 5841849), (26, 4943103), (33, 3894566), (39, 3295402), (66, 1947283), (78, 1647701), (143, 898746), (286, 449373), (429, 299582), (858, 149791)]