81221952

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:516

約数の個数: 112

約数和(自身を含む): 247611392

約数和(自身を除く): 166389440

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 223, 224, 271, 336, 446, 448, 542, 669, 672, 813, 892, 1084, 1338, 1344, 1561, 1626, 1784, 1897, 2168, 2676, 3122, 3252, 3568, 3794, 4336, 4683, 5352, 5691, 6244, 6504, 7136, 7588, 8672, 9366, 10704, 11382, 12488, 13008, 14272, 15176, 17344, 18732, 21408, 22764, 24976, 26016, 30352, 37464, 42816, 45528, 49952, 52032, 60433, 60704, 74928, 91056, 99904, 120866, 121408, 149856, 181299, 182112, 241732, 299712, 362598, 364224, 423031, 483464, 725196, 846062, 966928, 1269093, 1450392, 1692124, 1933856, 2538186, 2900784, 3384248, 3867712, 5076372, 5801568, 6768496, 10152744, 11603136, 13536992, 20305488, 27073984, 40610976, 81221952]

約数ペア:

[(1, 81221952), (2, 40610976), (3, 27073984), (4, 20305488), (6, 13536992), (7, 11603136), (8, 10152744), (12, 6768496), (14, 5801568), (16, 5076372), (21, 3867712), (24, 3384248), (28, 2900784), (32, 2538186), (42, 1933856), (48, 1692124), (56, 1450392), (64, 1269093), (84, 966928), (96, 846062), (112, 725196), (168, 483464), (192, 423031), (223, 364224), (224, 362598), (271, 299712), (336, 241732), (446, 182112), (448, 181299), (542, 149856), (669, 121408), (672, 120866), (813, 99904), (892, 91056), (1084, 74928), (1338, 60704), (1344, 60433), (1561, 52032), (1626, 49952), (1784, 45528), (1897, 42816), (2168, 37464), (2676, 30352), (3122, 26016), (3252, 24976), (3568, 22764), (3794, 21408), (4336, 18732), (4683, 17344), (5352, 15176), (5691, 14272), (6244, 13008), (6504, 12488), (7136, 11382), (7588, 10704), (8672, 9366)]