90142568

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 181547520

約数和(自身を除く): 91404952

約数列:

[1, 2, 4, 8, 17, 34, 68, 127, 136, 254, 289, 307, 508, 578, 614, 1016, 1156, 1228, 2159, 2312, 2456, 4318, 5219, 8636, 10438, 17272, 20876, 36703, 38989, 41752, 73406, 77978, 88723, 146812, 155956, 177446, 293624, 311912, 354892, 662813, 709784, 1325626, 2651252, 5302504, 11267821, 22535642, 45071284, 90142568]

約数ペア:

[(1, 90142568), (2, 45071284), (4, 22535642), (8, 11267821), (17, 5302504), (34, 2651252), (68, 1325626), (127, 709784), (136, 662813), (254, 354892), (289, 311912), (307, 293624), (508, 177446), (578, 155956), (614, 146812), (1016, 88723), (1156, 77978), (1228, 73406), (2159, 41752), (2312, 38989), (2456, 36703), (4318, 20876), (5219, 17272), (8636, 10438)]