2013221556

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{523}}^1\times {\mathrm{4649}}^1$

素因数の和:5205

約数の個数: 72

約数和(自身を含む): 5321534400

約数和(自身を除く): 3308312844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 523, 828, 1046, 1569, 2092, 3138, 4649, 4707, 6276, 9298, 9414, 12029, 13947, 18596, 18828, 24058, 27894, 36087, 41841, 48116, 55788, 72174, 83682, 106927, 108261, 144348, 167364, 213854, 216522, 320781, 427708, 433044, 641562, 962343, 1283124, 1924686, 2431427, 3849372, 4862854, 7294281, 9725708, 14588562, 21882843, 29177124, 43765686, 55922821, 87531372, 111845642, 167768463, 223691284, 335536926, 503305389, 671073852, 1006610778, 2013221556]

約数ペア:

[(1, 2013221556), (2, 1006610778), (3, 671073852), (4, 503305389), (6, 335536926), (9, 223691284), (12, 167768463), (18, 111845642), (23, 87531372), (36, 55922821), (46, 43765686), (69, 29177124), (92, 21882843), (138, 14588562), (207, 9725708), (276, 7294281), (414, 4862854), (523, 3849372), (828, 2431427), (1046, 1924686), (1569, 1283124), (2092, 962343), (3138, 641562), (4649, 433044), (4707, 427708), (6276, 320781), (9298, 216522), (9414, 213854), (12029, 167364), (13947, 144348), (18596, 108261), (18828, 106927), (24058, 83682), (27894, 72174), (36087, 55788), (41841, 48116)]