491400000018

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{11721769}}^1$

素因数の和:11721931

約数の個数: 48

約数和(自身を含む): 1135558190520

約数和(自身を除く): 644158190502

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 137, 153, 274, 306, 411, 822, 1233, 2329, 2466, 4658, 6987, 13974, 20961, 41922, 11721769, 23443538, 35165307, 70330614, 105495921, 199270073, 210991842, 398540146, 597810219, 1195620438, 1605882353, 1793430657, 3211764706, 3586861314, 4817647059, 9635294118, 14452941177, 27300000001, 28905882354, 54600000002, 81900000003, 163800000006, 245700000009, 491400000018]

約数ペア:

[(1, 491400000018), (2, 245700000009), (3, 163800000006), (6, 81900000003), (9, 54600000002), (17, 28905882354), (18, 27300000001), (34, 14452941177), (51, 9635294118), (102, 4817647059), (137, 3586861314), (153, 3211764706), (274, 1793430657), (306, 1605882353), (411, 1195620438), (822, 597810219), (1233, 398540146), (2329, 210991842), (2466, 199270073), (4658, 105495921), (6987, 70330614), (13974, 35165307), (20961, 23443538), (41922, 11721769)]