2561387868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{33577}}^1$

素因数の和:33763

約数の個数: 72

約数和(自身を含む): 7015653008

約数和(自身を除く): 4454265140

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 163, 234, 326, 468, 489, 652, 978, 1467, 1956, 2119, 2934, 4238, 5868, 6357, 8476, 12714, 19071, 25428, 33577, 38142, 67154, 76284, 100731, 134308, 201462, 302193, 402924, 436501, 604386, 873002, 1208772, 1309503, 1746004, 2619006, 3928509, 5238012, 5473051, 7857018, 10946102, 15714036, 16419153, 21892204, 32838306, 49257459, 65676612, 71149663, 98514918, 142299326, 197029836, 213448989, 284598652, 426897978, 640346967, 853795956, 1280693934, 2561387868]

約数ペア:

[(1, 2561387868), (2, 1280693934), (3, 853795956), (4, 640346967), (6, 426897978), (9, 284598652), (12, 213448989), (13, 197029836), (18, 142299326), (26, 98514918), (36, 71149663), (39, 65676612), (52, 49257459), (78, 32838306), (117, 21892204), (156, 16419153), (163, 15714036), (234, 10946102), (326, 7857018), (468, 5473051), (489, 5238012), (652, 3928509), (978, 2619006), (1467, 1746004), (1956, 1309503), (2119, 1208772), (2934, 873002), (4238, 604386), (5868, 436501), (6357, 402924), (8476, 302193), (12714, 201462), (19071, 134308), (25428, 100731), (33577, 76284), (38142, 67154)]