81780972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{74891}}^1$

素因数の和:74918

約数の個数: 48

約数和(自身を含む): 234861312

約数和(自身を除く): 153080340

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 74891, 149782, 224673, 299564, 449346, 524237, 898692, 973583, 1048474, 1572711, 1947166, 2096948, 2920749, 3145422, 3894332, 5841498, 6290844, 6815081, 11682996, 13630162, 20445243, 27260324, 40890486, 81780972]

約数ペア:

[(1, 81780972), (2, 40890486), (3, 27260324), (4, 20445243), (6, 13630162), (7, 11682996), (12, 6815081), (13, 6290844), (14, 5841498), (21, 3894332), (26, 3145422), (28, 2920749), (39, 2096948), (42, 1947166), (52, 1572711), (78, 1048474), (84, 973583), (91, 898692), (156, 524237), (182, 449346), (273, 299564), (364, 224673), (546, 149782), (1092, 74891)]