401844976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 866194560

約数和(自身を除く): 464349584

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 179, 208, 251, 344, 358, 502, 559, 688, 716, 1004, 1118, 1432, 2008, 2236, 2327, 2864, 3263, 4016, 4472, 4654, 6526, 7697, 8944, 9308, 10793, 13052, 15394, 18616, 21586, 26104, 30788, 37232, 43172, 44929, 52208, 61576, 86344, 89858, 100061, 123152, 140309, 172688, 179716, 200122, 280618, 359432, 400244, 561236, 584077, 718864, 800488, 1122472, 1168154, 1600976, 1931947, 2244944, 2336308, 3863894, 4672616, 7727788, 9345232, 15455576, 25115311, 30911152, 50230622, 100461244, 200922488, 401844976]

約数ペア:

[(1, 401844976), (2, 200922488), (4, 100461244), (8, 50230622), (13, 30911152), (16, 25115311), (26, 15455576), (43, 9345232), (52, 7727788), (86, 4672616), (104, 3863894), (172, 2336308), (179, 2244944), (208, 1931947), (251, 1600976), (344, 1168154), (358, 1122472), (502, 800488), (559, 718864), (688, 584077), (716, 561236), (1004, 400244), (1118, 359432), (1432, 280618), (2008, 200122), (2236, 179716), (2327, 172688), (2864, 140309), (3263, 123152), (4016, 100061), (4472, 89858), (4654, 86344), (6526, 61576), (7697, 52208), (8944, 44929), (9308, 43172), (10793, 37232), (13052, 30788), (15394, 26104), (18616, 21586)]