71819776

素因数分解:

$2^9\times 7^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:745

約数の個数: 80

約数和(自身を含む): 169899840

約数和(自身を除く): 98080064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 256, 406, 448, 464, 512, 691, 812, 896, 928, 1382, 1624, 1792, 1856, 2764, 3248, 3584, 3712, 4837, 5528, 6496, 7424, 9674, 11056, 12992, 14848, 19348, 20039, 22112, 25984, 38696, 40078, 44224, 51968, 77392, 80156, 88448, 103936, 140273, 154784, 160312, 176896, 280546, 309568, 320624, 353792, 561092, 619136, 641248, 1122184, 1238272, 1282496, 2244368, 2476544, 2564992, 4488736, 5129984, 8977472, 10259968, 17954944, 35909888, 71819776]

約数ペア:

[(1, 71819776), (2, 35909888), (4, 17954944), (7, 10259968), (8, 8977472), (14, 5129984), (16, 4488736), (28, 2564992), (29, 2476544), (32, 2244368), (56, 1282496), (58, 1238272), (64, 1122184), (112, 641248), (116, 619136), (128, 561092), (203, 353792), (224, 320624), (232, 309568), (256, 280546), (406, 176896), (448, 160312), (464, 154784), (512, 140273), (691, 103936), (812, 88448), (896, 80156), (928, 77392), (1382, 51968), (1624, 44224), (1792, 40078), (1856, 38696), (2764, 25984), (3248, 22112), (3584, 20039), (3712, 19348), (4837, 14848), (5528, 12992), (6496, 11056), (7424, 9674)]