28528812

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1297}}^1$

素因数の和:1367

約数の個数: 72

約数和(自身を含む): 79375296

約数和(自身を除く): 50846484

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 1222, 1297, 1692, 1833, 2444, 2594, 3666, 3891, 5188, 5499, 7332, 7782, 10998, 11673, 15564, 16861, 21996, 23346, 33722, 46692, 50583, 60959, 67444, 101166, 121918, 151749, 182877, 202332, 243836, 303498, 365754, 548631, 606996, 731508, 792467, 1097262, 1584934, 2194524, 2377401, 3169868, 4754802, 7132203, 9509604, 14264406, 28528812]

約数ペア:

[(1, 28528812), (2, 14264406), (3, 9509604), (4, 7132203), (6, 4754802), (9, 3169868), (12, 2377401), (13, 2194524), (18, 1584934), (26, 1097262), (36, 792467), (39, 731508), (47, 606996), (52, 548631), (78, 365754), (94, 303498), (117, 243836), (141, 202332), (156, 182877), (188, 151749), (234, 121918), (282, 101166), (423, 67444), (468, 60959), (564, 50583), (611, 46692), (846, 33722), (1222, 23346), (1297, 21996), (1692, 16861), (1833, 15564), (2444, 11673), (2594, 10998), (3666, 7782), (3891, 7332), (5188, 5499)]