28972008

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{2381}}^1$

素因数の和:2419

約数の個数: 72

約数和(自身を含む): 85001670

約数和(自身を除く): 56029662

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 2028, 2381, 3042, 4056, 4762, 6084, 7143, 9524, 12168, 14286, 19048, 21429, 28572, 30953, 42858, 57144, 61906, 85716, 92859, 123812, 171432, 185718, 247624, 278577, 371436, 402389, 557154, 742872, 804778, 1114308, 1207167, 1609556, 2228616, 2414334, 3219112, 3621501, 4828668, 7243002, 9657336, 14486004, 28972008]

約数ペア:

[(1, 28972008), (2, 14486004), (3, 9657336), (4, 7243002), (6, 4828668), (8, 3621501), (9, 3219112), (12, 2414334), (13, 2228616), (18, 1609556), (24, 1207167), (26, 1114308), (36, 804778), (39, 742872), (52, 557154), (72, 402389), (78, 371436), (104, 278577), (117, 247624), (156, 185718), (169, 171432), (234, 123812), (312, 92859), (338, 85716), (468, 61906), (507, 57144), (676, 42858), (936, 30953), (1014, 28572), (1352, 21429), (1521, 19048), (2028, 14286), (2381, 12168), (3042, 9524), (4056, 7143), (4762, 6084)]