201921268444

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{318289}}^1$

素因数の和:318602

約数の個数: 48

約数和(自身を含む): 409244550400

約数和(自身を除く): 207323281956

約数列:

[1, 2, 4, 7, 14, 28, 139, 163, 278, 326, 556, 652, 973, 1141, 1946, 2282, 3892, 4564, 22657, 45314, 90628, 158599, 317198, 318289, 634396, 636578, 1273156, 2228023, 4456046, 8912092, 44242171, 51881107, 88484342, 103762214, 176968684, 207524428, 309695197, 363167749, 619390394, 726335498, 1238780788, 1452670996, 7211473873, 14422947746, 28845895492, 50480317111, 100960634222, 201921268444]

約数ペア:

[(1, 201921268444), (2, 100960634222), (4, 50480317111), (7, 28845895492), (14, 14422947746), (28, 7211473873), (139, 1452670996), (163, 1238780788), (278, 726335498), (326, 619390394), (556, 363167749), (652, 309695197), (973, 207524428), (1141, 176968684), (1946, 103762214), (2282, 88484342), (3892, 51881107), (4564, 44242171), (22657, 8912092), (45314, 4456046), (90628, 2228023), (158599, 1273156), (317198, 636578), (318289, 634396)]