31466916

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{947}}^1$

素因数の和:1041

約数の個数: 72

約数和(自身を含む): 86958144

約数和(自身を除く): 55491228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 639, 852, 923, 947, 1278, 1846, 1894, 2556, 2769, 2841, 3692, 3788, 5538, 5682, 8307, 8523, 11076, 11364, 12311, 16614, 17046, 24622, 33228, 34092, 36933, 49244, 67237, 73866, 110799, 134474, 147732, 201711, 221598, 268948, 403422, 443196, 605133, 806844, 874081, 1210266, 1748162, 2420532, 2622243, 3496324, 5244486, 7866729, 10488972, 15733458, 31466916]

約数ペア:

[(1, 31466916), (2, 15733458), (3, 10488972), (4, 7866729), (6, 5244486), (9, 3496324), (12, 2622243), (13, 2420532), (18, 1748162), (26, 1210266), (36, 874081), (39, 806844), (52, 605133), (71, 443196), (78, 403422), (117, 268948), (142, 221598), (156, 201711), (213, 147732), (234, 134474), (284, 110799), (426, 73866), (468, 67237), (639, 49244), (852, 36933), (923, 34092), (947, 33228), (1278, 24622), (1846, 17046), (1894, 16614), (2556, 12311), (2769, 11364), (2841, 11076), (3692, 8523), (3788, 8307), (5538, 5682)]