287727948

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 738711792

約数和(自身を除く): 450983844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 227, 257, 274, 411, 454, 514, 548, 681, 771, 822, 908, 1028, 1233, 1362, 1542, 1644, 2043, 2313, 2466, 2724, 3084, 4086, 4626, 4932, 8172, 9252, 31099, 35209, 58339, 62198, 70418, 93297, 105627, 116678, 124396, 140836, 175017, 186594, 211254, 233356, 279891, 316881, 350034, 373188, 422508, 525051, 559782, 633762, 700068, 1050102, 1119564, 1267524, 2100204, 7992443, 15984886, 23977329, 31969772, 47954658, 71931987, 95909316, 143863974, 287727948]

約数ペア:

[(1, 287727948), (2, 143863974), (3, 95909316), (4, 71931987), (6, 47954658), (9, 31969772), (12, 23977329), (18, 15984886), (36, 7992443), (137, 2100204), (227, 1267524), (257, 1119564), (274, 1050102), (411, 700068), (454, 633762), (514, 559782), (548, 525051), (681, 422508), (771, 373188), (822, 350034), (908, 316881), (1028, 279891), (1233, 233356), (1362, 211254), (1542, 186594), (1644, 175017), (2043, 140836), (2313, 124396), (2466, 116678), (2724, 105627), (3084, 93297), (4086, 70418), (4626, 62198), (4932, 58339), (8172, 35209), (9252, 31099)]