201974552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1609}}^1$

素因数の和:1716

約数の個数: 64

約数和(自身を含む): 438177600

約数和(自身を除く): 236203048

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 71, 104, 136, 142, 221, 284, 442, 568, 884, 923, 1207, 1609, 1768, 1846, 2414, 3218, 3692, 4828, 6436, 7384, 9656, 12872, 15691, 20917, 27353, 31382, 41834, 54706, 62764, 83668, 109412, 114239, 125528, 167336, 218824, 228478, 355589, 456956, 711178, 913912, 1422356, 1485107, 1942063, 2844712, 2970214, 3884126, 5940428, 7768252, 11880856, 15536504, 25246819, 50493638, 100987276, 201974552]

約数ペア:

[(1, 201974552), (2, 100987276), (4, 50493638), (8, 25246819), (13, 15536504), (17, 11880856), (26, 7768252), (34, 5940428), (52, 3884126), (68, 2970214), (71, 2844712), (104, 1942063), (136, 1485107), (142, 1422356), (221, 913912), (284, 711178), (442, 456956), (568, 355589), (884, 228478), (923, 218824), (1207, 167336), (1609, 125528), (1768, 114239), (1846, 109412), (2414, 83668), (3218, 62764), (3692, 54706), (4828, 41834), (6436, 31382), (7384, 27353), (9656, 20917), (12872, 15691)]