128327276

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{773}}^1$

素因数の和:820

約数の個数: 72

約数和(自身を含む): 288237600

約数和(自身を除く): 159910324

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 343, 484, 539, 686, 773, 847, 1078, 1372, 1546, 1694, 2156, 3092, 3388, 3773, 5411, 5929, 7546, 8503, 10822, 11858, 15092, 17006, 21644, 23716, 34012, 37877, 41503, 59521, 75754, 83006, 93533, 119042, 151508, 166012, 187066, 238084, 265139, 374132, 416647, 530278, 654731, 833294, 1060556, 1309462, 1666588, 2618924, 2916529, 4583117, 5833058, 9166234, 11666116, 18332468, 32081819, 64163638, 128327276]

約数ペア:

[(1, 128327276), (2, 64163638), (4, 32081819), (7, 18332468), (11, 11666116), (14, 9166234), (22, 5833058), (28, 4583117), (44, 2916529), (49, 2618924), (77, 1666588), (98, 1309462), (121, 1060556), (154, 833294), (196, 654731), (242, 530278), (308, 416647), (343, 374132), (484, 265139), (539, 238084), (686, 187066), (773, 166012), (847, 151508), (1078, 119042), (1372, 93533), (1546, 83006), (1694, 75754), (2156, 59521), (3092, 41503), (3388, 37877), (3773, 34012), (5411, 23716), (5929, 21644), (7546, 17006), (8503, 15092), (10822, 11858)]