28404126

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 72

約数和(自身を含む): 68151720

約数和(自身を除く): 39747594

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 157, 171, 207, 314, 342, 414, 437, 471, 529, 874, 942, 1058, 1311, 1413, 1587, 2622, 2826, 2983, 3174, 3611, 3933, 4761, 5966, 7222, 7866, 8949, 9522, 10051, 10833, 17898, 20102, 21666, 26847, 30153, 32499, 53694, 60306, 64998, 68609, 83053, 90459, 137218, 166106, 180918, 205827, 249159, 411654, 498318, 617481, 747477, 1234962, 1494954, 1578007, 3156014, 4734021, 9468042, 14202063, 28404126]

約数ペア:

[(1, 28404126), (2, 14202063), (3, 9468042), (6, 4734021), (9, 3156014), (18, 1578007), (19, 1494954), (23, 1234962), (38, 747477), (46, 617481), (57, 498318), (69, 411654), (114, 249159), (138, 205827), (157, 180918), (171, 166106), (207, 137218), (314, 90459), (342, 83053), (414, 68609), (437, 64998), (471, 60306), (529, 53694), (874, 32499), (942, 30153), (1058, 26847), (1311, 21666), (1413, 20102), (1587, 17898), (2622, 10833), (2826, 10051), (2983, 9522), (3174, 8949), (3611, 7866), (3933, 7222), (4761, 5966)]