1280451172

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1607}}^1$

素因数の和:1841

約数の個数: 96

約数和(自身を含む): 3025612800

約数和(自身を除く): 1745161628

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 199, 286, 308, 364, 398, 572, 796, 1001, 1393, 1607, 2002, 2189, 2587, 2786, 3214, 4004, 4378, 5174, 5572, 6428, 8756, 10348, 11249, 15323, 17677, 18109, 20891, 22498, 28457, 30646, 35354, 36218, 41782, 44996, 56914, 61292, 70708, 72436, 83564, 113828, 123739, 146237, 199199, 229801, 247478, 292474, 319793, 398398, 459602, 494956, 584948, 639586, 796796, 919204, 1279172, 1608607, 2238551, 3217214, 3517723, 4157309, 4477102, 6434428, 7035446, 8314618, 8954204, 14070892, 16629236, 24624061, 29101163, 45730399, 49248122, 58202326, 91460798, 98496244, 116404652, 182921596, 320112793, 640225586, 1280451172]

約数ペア:

[(1, 1280451172), (2, 640225586), (4, 320112793), (7, 182921596), (11, 116404652), (13, 98496244), (14, 91460798), (22, 58202326), (26, 49248122), (28, 45730399), (44, 29101163), (52, 24624061), (77, 16629236), (91, 14070892), (143, 8954204), (154, 8314618), (182, 7035446), (199, 6434428), (286, 4477102), (308, 4157309), (364, 3517723), (398, 3217214), (572, 2238551), (796, 1608607), (1001, 1279172), (1393, 919204), (1607, 796796), (2002, 639586), (2189, 584948), (2587, 494956), (2786, 459602), (3214, 398398), (4004, 319793), (4378, 292474), (5174, 247478), (5572, 229801), (6428, 199199), (8756, 146237), (10348, 123739), (11249, 113828), (15323, 83564), (17677, 72436), (18109, 70708), (20891, 61292), (22498, 56914), (28457, 44996), (30646, 41782), (35354, 36218)]