1993955288

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 4168227600

約数和(自身を除く): 2174272312

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 89, 104, 146, 169, 178, 227, 292, 338, 356, 454, 584, 676, 712, 908, 949, 1157, 1352, 1816, 1898, 2314, 2951, 3796, 4628, 5902, 6497, 7592, 9256, 11804, 12337, 12994, 15041, 16571, 20203, 23608, 24674, 25988, 30082, 33142, 38363, 40406, 49348, 51976, 60164, 66284, 76726, 80812, 84461, 98696, 120328, 132568, 153452, 161624, 168922, 215423, 262639, 306904, 337844, 430846, 525278, 675688, 861692, 1050556, 1097993, 1474819, 1723384, 2101112, 2195986, 2800499, 2949638, 3414307, 4391972, 5600998, 5899276, 6828614, 8783944, 11201996, 11798552, 13657228, 19172647, 22403992, 27314456, 38345294, 76690588, 153381176, 249244411, 498488822, 996977644, 1993955288]

約数ペア:

[(1, 1993955288), (2, 996977644), (4, 498488822), (8, 249244411), (13, 153381176), (26, 76690588), (52, 38345294), (73, 27314456), (89, 22403992), (104, 19172647), (146, 13657228), (169, 11798552), (178, 11201996), (227, 8783944), (292, 6828614), (338, 5899276), (356, 5600998), (454, 4391972), (584, 3414307), (676, 2949638), (712, 2800499), (908, 2195986), (949, 2101112), (1157, 1723384), (1352, 1474819), (1816, 1097993), (1898, 1050556), (2314, 861692), (2951, 675688), (3796, 525278), (4628, 430846), (5902, 337844), (6497, 306904), (7592, 262639), (9256, 215423), (11804, 168922), (12337, 161624), (12994, 153452), (15041, 132568), (16571, 120328), (20203, 98696), (23608, 84461), (24674, 80812), (25988, 76726), (30082, 66284), (33142, 60164), (38363, 51976), (40406, 49348)]