81441984

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:582

約数の個数: 112

約数和(自身を含む): 236004608

約数和(自身を除く): 154562624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 67, 78, 96, 104, 134, 156, 192, 201, 208, 268, 312, 402, 416, 487, 536, 624, 804, 832, 871, 974, 1072, 1248, 1461, 1608, 1742, 1948, 2144, 2496, 2613, 2922, 3216, 3484, 3896, 4288, 5226, 5844, 6331, 6432, 6968, 7792, 10452, 11688, 12662, 12864, 13936, 15584, 18993, 20904, 23376, 25324, 27872, 31168, 32629, 37986, 41808, 46752, 50648, 55744, 65258, 75972, 83616, 93504, 97887, 101296, 130516, 151944, 167232, 195774, 202592, 261032, 303888, 391548, 405184, 424177, 522064, 607776, 783096, 848354, 1044128, 1215552, 1272531, 1566192, 1696708, 2088256, 2545062, 3132384, 3393416, 5090124, 6264768, 6786832, 10180248, 13573664, 20360496, 27147328, 40720992, 81441984]

約数ペア:

[(1, 81441984), (2, 40720992), (3, 27147328), (4, 20360496), (6, 13573664), (8, 10180248), (12, 6786832), (13, 6264768), (16, 5090124), (24, 3393416), (26, 3132384), (32, 2545062), (39, 2088256), (48, 1696708), (52, 1566192), (64, 1272531), (67, 1215552), (78, 1044128), (96, 848354), (104, 783096), (134, 607776), (156, 522064), (192, 424177), (201, 405184), (208, 391548), (268, 303888), (312, 261032), (402, 202592), (416, 195774), (487, 167232), (536, 151944), (624, 130516), (804, 101296), (832, 97887), (871, 93504), (974, 83616), (1072, 75972), (1248, 65258), (1461, 55744), (1608, 50648), (1742, 46752), (1948, 41808), (2144, 37986), (2496, 32629), (2613, 31168), (2922, 27872), (3216, 25324), (3484, 23376), (3896, 20904), (4288, 18993), (5226, 15584), (5844, 13936), (6331, 12864), (6432, 12662), (6968, 11688), (7792, 10452)]