311962768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 673925616

約数和(自身を除く): 361962848

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 157, 164, 208, 233, 314, 328, 466, 533, 628, 656, 932, 1066, 1256, 1864, 2041, 2132, 2512, 3029, 3728, 4082, 4264, 6058, 6437, 8164, 8528, 9553, 12116, 12874, 16328, 19106, 24232, 25748, 32656, 36581, 38212, 48464, 51496, 73162, 76424, 83681, 102992, 124189, 146324, 152848, 167362, 248378, 292648, 334724, 475553, 496756, 585296, 669448, 951106, 993512, 1338896, 1499821, 1902212, 1987024, 2999642, 3804424, 5999284, 7608848, 11998568, 19497673, 23997136, 38995346, 77990692, 155981384, 311962768]

約数ペア:

[(1, 311962768), (2, 155981384), (4, 77990692), (8, 38995346), (13, 23997136), (16, 19497673), (26, 11998568), (41, 7608848), (52, 5999284), (82, 3804424), (104, 2999642), (157, 1987024), (164, 1902212), (208, 1499821), (233, 1338896), (314, 993512), (328, 951106), (466, 669448), (533, 585296), (628, 496756), (656, 475553), (932, 334724), (1066, 292648), (1256, 248378), (1864, 167362), (2041, 152848), (2132, 146324), (2512, 124189), (3029, 102992), (3728, 83681), (4082, 76424), (4264, 73162), (6058, 51496), (6437, 48464), (8164, 38212), (8528, 36581), (9553, 32656), (12116, 25748), (12874, 24232), (16328, 19106)]