208004524

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 455626080

約数和(自身を除く): 247621556

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 113, 169, 182, 226, 338, 364, 389, 452, 676, 778, 791, 1183, 1469, 1556, 1582, 2366, 2723, 2938, 3164, 4732, 5057, 5446, 5876, 10114, 10283, 10892, 19097, 20228, 20566, 35399, 38194, 41132, 43957, 65741, 70798, 76388, 87914, 131482, 133679, 141596, 175828, 262964, 267358, 307699, 460187, 534716, 571441, 615398, 920374, 1142882, 1230796, 1840748, 2285764, 4000087, 7428733, 8000174, 14857466, 16000348, 29714932, 52001131, 104002262, 208004524]

約数ペア:

[(1, 208004524), (2, 104002262), (4, 52001131), (7, 29714932), (13, 16000348), (14, 14857466), (26, 8000174), (28, 7428733), (52, 4000087), (91, 2285764), (113, 1840748), (169, 1230796), (182, 1142882), (226, 920374), (338, 615398), (364, 571441), (389, 534716), (452, 460187), (676, 307699), (778, 267358), (791, 262964), (1183, 175828), (1469, 141596), (1556, 133679), (1582, 131482), (2366, 87914), (2723, 76388), (2938, 70798), (3164, 65741), (4732, 43957), (5057, 41132), (5446, 38194), (5876, 35399), (10114, 20566), (10283, 20228), (10892, 19097)]