31188542

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 61931520

約数和(自身を除く): 30742978

約数列:

[1, 2, 7, 11, 14, 22, 31, 47, 62, 77, 94, 139, 154, 217, 278, 329, 341, 434, 517, 658, 682, 973, 1034, 1457, 1529, 1946, 2387, 2914, 3058, 3619, 4309, 4774, 6533, 7238, 8618, 10199, 10703, 13066, 16027, 20398, 21406, 30163, 32054, 45731, 47399, 60326, 71863, 91462, 94798, 112189, 143726, 202523, 224378, 331793, 405046, 503041, 663586, 1006082, 1417661, 2227753, 2835322, 4455506, 15594271, 31188542]

約数ペア:

[(1, 31188542), (2, 15594271), (7, 4455506), (11, 2835322), (14, 2227753), (22, 1417661), (31, 1006082), (47, 663586), (62, 503041), (77, 405046), (94, 331793), (139, 224378), (154, 202523), (217, 143726), (278, 112189), (329, 94798), (341, 91462), (434, 71863), (517, 60326), (658, 47399), (682, 45731), (973, 32054), (1034, 30163), (1457, 21406), (1529, 20398), (1946, 16027), (2387, 13066), (2914, 10703), (3058, 10199), (3619, 8618), (4309, 7238), (4774, 6533)]