221335548

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{9181}}^1$

素因数の和:9243

約数の個数: 72

約数和(自身を含む): 615487824

約数和(自身を除く): 394152276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 49, 82, 84, 98, 123, 147, 164, 196, 246, 287, 294, 492, 574, 588, 861, 1148, 1722, 2009, 3444, 4018, 6027, 8036, 9181, 12054, 18362, 24108, 27543, 36724, 55086, 64267, 110172, 128534, 192801, 257068, 376421, 385602, 449869, 752842, 771204, 899738, 1129263, 1349607, 1505684, 1799476, 2258526, 2634947, 2699214, 4517052, 5269894, 5398428, 7904841, 10539788, 15809682, 18444629, 31619364, 36889258, 55333887, 73778516, 110667774, 221335548]

約数ペア:

[(1, 221335548), (2, 110667774), (3, 73778516), (4, 55333887), (6, 36889258), (7, 31619364), (12, 18444629), (14, 15809682), (21, 10539788), (28, 7904841), (41, 5398428), (42, 5269894), (49, 4517052), (82, 2699214), (84, 2634947), (98, 2258526), (123, 1799476), (147, 1505684), (164, 1349607), (196, 1129263), (246, 899738), (287, 771204), (294, 752842), (492, 449869), (574, 385602), (588, 376421), (861, 257068), (1148, 192801), (1722, 128534), (2009, 110172), (3444, 64267), (4018, 55086), (6027, 36724), (8036, 27543), (9181, 24108), (12054, 18362)]