1640852416

素因数分解:

$2^6\times 7^2\times {\mathrm{89}}^1\times {\mathrm{5879}}^1$

素因数の和:5994

約数の個数: 84

約数和(自身を含む): 3830878800

約数和(自身を除く): 2190026384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 89, 98, 112, 178, 196, 224, 356, 392, 448, 623, 712, 784, 1246, 1424, 1568, 2492, 2848, 3136, 4361, 4984, 5696, 5879, 8722, 9968, 11758, 17444, 19936, 23516, 34888, 39872, 41153, 47032, 69776, 82306, 94064, 139552, 164612, 188128, 279104, 288071, 329224, 376256, 523231, 576142, 658448, 1046462, 1152284, 1316896, 2092924, 2304568, 2633792, 3662617, 4185848, 4609136, 7325234, 8371696, 9218272, 14650468, 16743392, 18436544, 25638319, 29300936, 33486784, 51276638, 58601872, 102553276, 117203744, 205106552, 234407488, 410213104, 820426208, 1640852416]

約数ペア:

[(1, 1640852416), (2, 820426208), (4, 410213104), (7, 234407488), (8, 205106552), (14, 117203744), (16, 102553276), (28, 58601872), (32, 51276638), (49, 33486784), (56, 29300936), (64, 25638319), (89, 18436544), (98, 16743392), (112, 14650468), (178, 9218272), (196, 8371696), (224, 7325234), (356, 4609136), (392, 4185848), (448, 3662617), (623, 2633792), (712, 2304568), (784, 2092924), (1246, 1316896), (1424, 1152284), (1568, 1046462), (2492, 658448), (2848, 576142), (3136, 523231), (4361, 376256), (4984, 329224), (5696, 288071), (5879, 279104), (8722, 188128), (9968, 164612), (11758, 139552), (17444, 94064), (19936, 82306), (23516, 69776), (34888, 47032), (39872, 41153)]