28135692

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 77663040

約数和(自身を除く): 49527348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 79, 117, 156, 158, 234, 237, 316, 468, 474, 711, 761, 948, 1027, 1422, 1522, 2054, 2283, 2844, 3044, 3081, 4108, 4566, 6162, 6849, 9132, 9243, 9893, 12324, 13698, 18486, 19786, 27396, 29679, 36972, 39572, 59358, 60119, 89037, 118716, 120238, 178074, 180357, 240476, 356148, 360714, 541071, 721428, 781547, 1082142, 1563094, 2164284, 2344641, 3126188, 4689282, 7033923, 9378564, 14067846, 28135692]

約数ペア:

[(1, 28135692), (2, 14067846), (3, 9378564), (4, 7033923), (6, 4689282), (9, 3126188), (12, 2344641), (13, 2164284), (18, 1563094), (26, 1082142), (36, 781547), (39, 721428), (52, 541071), (78, 360714), (79, 356148), (117, 240476), (156, 180357), (158, 178074), (234, 120238), (237, 118716), (316, 89037), (468, 60119), (474, 59358), (711, 39572), (761, 36972), (948, 29679), (1027, 27396), (1422, 19786), (1522, 18486), (2054, 13698), (2283, 12324), (2844, 9893), (3044, 9243), (3081, 9132), (4108, 6849), (4566, 6162)]