311578956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9377}}^1$

素因数の和:9471

約数の個数: 72

約数和(自身を含む): 860225184

約数和(自身を除く): 548646228

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, 1278, 1846, 2556, 2769, 3692, 5538, 8307, 9377, 11076, 16614, 18754, 28131, 33228, 37508, 56262, 84393, 112524, 121901, 168786, 243802, 337572, 365703, 487604, 665767, 731406, 1097109, 1331534, 1462812, 1997301, 2194218, 2663068, 3994602, 4388436, 5991903, 7989204, 8654971, 11983806, 17309942, 23967612, 25964913, 34619884, 51929826, 77894739, 103859652, 155789478, 311578956]

約数ペア:

[(1, 311578956), (2, 155789478), (3, 103859652), (4, 77894739), (6, 51929826), (9, 34619884), (12, 25964913), (13, 23967612), (18, 17309942), (26, 11983806), (36, 8654971), (39, 7989204), (52, 5991903), (71, 4388436), (78, 3994602), (117, 2663068), (142, 2194218), (156, 1997301), (213, 1462812), (234, 1331534), (284, 1097109), (426, 731406), (468, 665767), (639, 487604), (852, 365703), (923, 337572), (1278, 243802), (1846, 168786), (2556, 121901), (2769, 112524), (3692, 84393), (5538, 56262), (8307, 37508), (9377, 33228), (11076, 28131), (16614, 18754)]