81077794

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:763

約数の個数: 48

約数和(自身を含む): 152959680

約数和(自身を除く): 71881886

約数列:

[1, 2, 7, 14, 17, 29, 34, 58, 119, 203, 238, 289, 406, 493, 578, 691, 986, 1382, 2023, 3451, 4046, 4837, 6902, 8381, 9674, 11747, 16762, 20039, 23494, 40078, 58667, 82229, 117334, 140273, 164458, 199699, 280546, 340663, 399398, 681326, 1397893, 2384641, 2795786, 4769282, 5791271, 11582542, 40538897, 81077794]

約数ペア:

[(1, 81077794), (2, 40538897), (7, 11582542), (14, 5791271), (17, 4769282), (29, 2795786), (34, 2384641), (58, 1397893), (119, 681326), (203, 399398), (238, 340663), (289, 280546), (406, 199699), (493, 164458), (578, 140273), (691, 117334), (986, 82229), (1382, 58667), (2023, 40078), (3451, 23494), (4046, 20039), (4837, 16762), (6902, 11747), (8381, 9674)]