81662812

素因数分解:

$2^2\times 7^4\times {\mathrm{11}}^1\times {\mathrm{773}}^1$

素因数の和:816

約数の個数: 60

約数和(自身を含む): 182109816

約数和(自身を除く): 100447004

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 343, 539, 686, 773, 1078, 1372, 1546, 2156, 2401, 3092, 3773, 4802, 5411, 7546, 8503, 9604, 10822, 15092, 17006, 21644, 26411, 34012, 37877, 52822, 59521, 75754, 105644, 119042, 151508, 238084, 265139, 416647, 530278, 833294, 1060556, 1666588, 1855973, 2916529, 3711946, 5833058, 7423892, 11666116, 20415703, 40831406, 81662812]

約数ペア:

[(1, 81662812), (2, 40831406), (4, 20415703), (7, 11666116), (11, 7423892), (14, 5833058), (22, 3711946), (28, 2916529), (44, 1855973), (49, 1666588), (77, 1060556), (98, 833294), (154, 530278), (196, 416647), (308, 265139), (343, 238084), (539, 151508), (686, 119042), (773, 105644), (1078, 75754), (1372, 59521), (1546, 52822), (2156, 37877), (2401, 34012), (3092, 26411), (3773, 21644), (4802, 17006), (5411, 15092), (7546, 10822), (8503, 9604)]