278158972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 623185920

約数和(自身を除く): 345026948

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 52, 71, 91, 94, 142, 182, 188, 229, 284, 329, 364, 458, 497, 611, 658, 916, 923, 994, 1222, 1316, 1603, 1846, 1988, 2444, 2977, 3206, 3337, 3692, 4277, 5954, 6412, 6461, 6674, 8554, 10763, 11908, 12922, 13348, 16259, 17108, 20839, 21526, 23359, 25844, 32518, 41678, 43052, 43381, 46718, 65036, 75341, 83356, 86762, 93436, 113813, 139919, 150682, 173524, 211367, 227626, 279838, 301364, 303667, 422734, 455252, 559676, 607334, 764173, 845468, 979433, 1214668, 1479569, 1528346, 1958866, 2959138, 3056692, 3917732, 5349211, 5918276, 9934249, 10698422, 19868498, 21396844, 39736996, 69539743, 139079486, 278158972]

約数ペア:

[(1, 278158972), (2, 139079486), (4, 69539743), (7, 39736996), (13, 21396844), (14, 19868498), (26, 10698422), (28, 9934249), (47, 5918276), (52, 5349211), (71, 3917732), (91, 3056692), (94, 2959138), (142, 1958866), (182, 1528346), (188, 1479569), (229, 1214668), (284, 979433), (329, 845468), (364, 764173), (458, 607334), (497, 559676), (611, 455252), (658, 422734), (916, 303667), (923, 301364), (994, 279838), (1222, 227626), (1316, 211367), (1603, 173524), (1846, 150682), (1988, 139919), (2444, 113813), (2977, 93436), (3206, 86762), (3337, 83356), (3692, 75341), (4277, 65036), (5954, 46718), (6412, 43381), (6461, 43052), (6674, 41678), (8554, 32518), (10763, 25844), (11908, 23359), (12922, 21526), (13348, 20839), (16259, 17108)]