287768906

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 455051520

約数和(自身を除く): 167282614

約数列:

[1, 2, 37, 53, 74, 106, 239, 307, 478, 614, 1961, 3922, 8843, 11359, 12667, 16271, 17686, 22718, 25334, 32542, 73373, 146746, 468679, 602027, 937358, 1204054, 2714801, 3888769, 5429602, 7777538, 143884453, 287768906]

約数ペア:

[(1, 287768906), (2, 143884453), (37, 7777538), (53, 5429602), (74, 3888769), (106, 2714801), (239, 1204054), (307, 937358), (478, 602027), (614, 468679), (1961, 146746), (3922, 73373), (8843, 32542), (11359, 25334), (12667, 22718), (16271, 17686)]