28712628

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:462

約数の個数: 108

約数和(自身を含む): 86705892

約数和(自身を除く): 57993264

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 49, 63, 82, 84, 98, 123, 126, 147, 164, 196, 246, 252, 287, 294, 369, 397, 441, 492, 574, 588, 738, 794, 861, 882, 1148, 1191, 1476, 1588, 1722, 1764, 2009, 2382, 2583, 2779, 3444, 3573, 4018, 4764, 5166, 5558, 6027, 7146, 8036, 8337, 10332, 11116, 12054, 14292, 16277, 16674, 18081, 19453, 24108, 25011, 32554, 33348, 36162, 38906, 48831, 50022, 58359, 65108, 72324, 77812, 97662, 100044, 113939, 116718, 146493, 175077, 195324, 227878, 233436, 292986, 341817, 350154, 455756, 585972, 683634, 700308, 797573, 1025451, 1367268, 1595146, 2050902, 2392719, 3190292, 4101804, 4785438, 7178157, 9570876, 14356314, 28712628]

約数ペア:

[(1, 28712628), (2, 14356314), (3, 9570876), (4, 7178157), (6, 4785438), (7, 4101804), (9, 3190292), (12, 2392719), (14, 2050902), (18, 1595146), (21, 1367268), (28, 1025451), (36, 797573), (41, 700308), (42, 683634), (49, 585972), (63, 455756), (82, 350154), (84, 341817), (98, 292986), (123, 233436), (126, 227878), (147, 195324), (164, 175077), (196, 146493), (246, 116718), (252, 113939), (287, 100044), (294, 97662), (369, 77812), (397, 72324), (441, 65108), (492, 58359), (574, 50022), (588, 48831), (738, 38906), (794, 36162), (861, 33348), (882, 32554), (1148, 25011), (1191, 24108), (1476, 19453), (1588, 18081), (1722, 16674), (1764, 16277), (2009, 14292), (2382, 12054), (2583, 11116), (2779, 10332), (3444, 8337), (3573, 8036), (4018, 7146), (4764, 6027), (5166, 5558)]