2151968

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1$

素因数の和:769

約数の個数: 48

約数和(自身を含む): 5221440

約数和(自身を除く): 3069472

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 739, 1456, 1478, 2912, 2956, 5173, 5912, 9607, 10346, 11824, 19214, 20692, 23648, 38428, 41384, 67249, 76856, 82768, 134498, 153712, 165536, 268996, 307424, 537992, 1075984, 2151968]

約数ペア:

[(1, 2151968), (2, 1075984), (4, 537992), (7, 307424), (8, 268996), (13, 165536), (14, 153712), (16, 134498), (26, 82768), (28, 76856), (32, 67249), (52, 41384), (56, 38428), (91, 23648), (104, 20692), (112, 19214), (182, 11824), (208, 10346), (224, 9607), (364, 5912), (416, 5173), (728, 2956), (739, 2912), (1456, 1478)]