27890408

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 66028230

約数和(自身を除く): 38137822

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 169, 182, 196, 338, 364, 392, 421, 637, 676, 728, 842, 1183, 1274, 1352, 1684, 2366, 2548, 2947, 3368, 4732, 5096, 5473, 5894, 8281, 9464, 10946, 11788, 16562, 20629, 21892, 23576, 33124, 38311, 41258, 43784, 66248, 71149, 76622, 82516, 142298, 153244, 165032, 268177, 284596, 306488, 498043, 536354, 569192, 996086, 1072708, 1992172, 2145416, 3486301, 3984344, 6972602, 13945204, 27890408]

約数ペア:

[(1, 27890408), (2, 13945204), (4, 6972602), (7, 3984344), (8, 3486301), (13, 2145416), (14, 1992172), (26, 1072708), (28, 996086), (49, 569192), (52, 536354), (56, 498043), (91, 306488), (98, 284596), (104, 268177), (169, 165032), (182, 153244), (196, 142298), (338, 82516), (364, 76622), (392, 71149), (421, 66248), (637, 43784), (676, 41258), (728, 38311), (842, 33124), (1183, 23576), (1274, 21892), (1352, 20629), (1684, 16562), (2366, 11788), (2548, 10946), (2947, 9464), (3368, 8281), (4732, 5894), (5096, 5473)]