221812308

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2333}}^1$

素因数の和:2501

約数の個数: 72

約数和(自身を含む): 594703200

約数和(自身を除く): 372890892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 139, 171, 228, 278, 342, 417, 556, 684, 834, 1251, 1668, 2333, 2502, 2641, 4666, 5004, 5282, 6999, 7923, 9332, 10564, 13998, 15846, 20997, 23769, 27996, 31692, 41994, 44327, 47538, 83988, 88654, 95076, 132981, 177308, 265962, 324287, 398943, 531924, 648574, 797886, 972861, 1297148, 1595772, 1945722, 2918583, 3891444, 5837166, 6161453, 11674332, 12322906, 18484359, 24645812, 36968718, 55453077, 73937436, 110906154, 221812308]

約数ペア:

[(1, 221812308), (2, 110906154), (3, 73937436), (4, 55453077), (6, 36968718), (9, 24645812), (12, 18484359), (18, 12322906), (19, 11674332), (36, 6161453), (38, 5837166), (57, 3891444), (76, 2918583), (114, 1945722), (139, 1595772), (171, 1297148), (228, 972861), (278, 797886), (342, 648574), (417, 531924), (556, 398943), (684, 324287), (834, 265962), (1251, 177308), (1668, 132981), (2333, 95076), (2502, 88654), (2641, 83988), (4666, 47538), (5004, 44327), (5282, 41994), (6999, 31692), (7923, 27996), (9332, 23769), (10564, 20997), (13998, 15846)]