1981009408

素因数分解:

$2^9\times 7^1\times {\mathrm{53}}^1\times {\mathrm{10429}}^1$

素因数の和:10507

約数の個数: 80

約数和(自身を含む): 4609392480

約数和(自身を除く): 2628383072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 212, 224, 256, 371, 424, 448, 512, 742, 848, 896, 1484, 1696, 1792, 2968, 3392, 3584, 5936, 6784, 10429, 11872, 13568, 20858, 23744, 27136, 41716, 47488, 73003, 83432, 94976, 146006, 166864, 189952, 292012, 333728, 552737, 584024, 667456, 1105474, 1168048, 1334912, 2210948, 2336096, 2669824, 3869159, 4421896, 4672192, 5339648, 7738318, 8843792, 9344384, 15476636, 17687584, 18688768, 30953272, 35375168, 37377536, 61906544, 70750336, 123813088, 141500672, 247626176, 283001344, 495252352, 990504704, 1981009408]

約数ペア:

[(1, 1981009408), (2, 990504704), (4, 495252352), (7, 283001344), (8, 247626176), (14, 141500672), (16, 123813088), (28, 70750336), (32, 61906544), (53, 37377536), (56, 35375168), (64, 30953272), (106, 18688768), (112, 17687584), (128, 15476636), (212, 9344384), (224, 8843792), (256, 7738318), (371, 5339648), (424, 4672192), (448, 4421896), (512, 3869159), (742, 2669824), (848, 2336096), (896, 2210948), (1484, 1334912), (1696, 1168048), (1792, 1105474), (2968, 667456), (3392, 584024), (3584, 552737), (5936, 333728), (6784, 292012), (10429, 189952), (11872, 166864), (13568, 146006), (20858, 94976), (23744, 83432), (27136, 73003), (41716, 47488)]