28685136

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:544

約数の個数: 80

約数和(自身を含む): 79280640

約数和(自身を除く): 50595504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 71, 76, 114, 142, 152, 213, 228, 284, 304, 426, 443, 456, 568, 852, 886, 912, 1136, 1329, 1349, 1704, 1772, 2658, 2698, 3408, 3544, 4047, 5316, 5396, 7088, 8094, 8417, 10632, 10792, 16188, 16834, 21264, 21584, 25251, 31453, 32376, 33668, 50502, 62906, 64752, 67336, 94359, 101004, 125812, 134672, 188718, 202008, 251624, 377436, 404016, 503248, 597607, 754872, 1195214, 1509744, 1792821, 2390428, 3585642, 4780856, 7171284, 9561712, 14342568, 28685136]

約数ペア:

[(1, 28685136), (2, 14342568), (3, 9561712), (4, 7171284), (6, 4780856), (8, 3585642), (12, 2390428), (16, 1792821), (19, 1509744), (24, 1195214), (38, 754872), (48, 597607), (57, 503248), (71, 404016), (76, 377436), (114, 251624), (142, 202008), (152, 188718), (213, 134672), (228, 125812), (284, 101004), (304, 94359), (426, 67336), (443, 64752), (456, 62906), (568, 50502), (852, 33668), (886, 32376), (912, 31453), (1136, 25251), (1329, 21584), (1349, 21264), (1704, 16834), (1772, 16188), (2658, 10792), (2698, 10632), (3408, 8417), (3544, 8094), (4047, 7088), (5316, 5396)]