13128784

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:443

約数の個数: 40

約数和(自身を含む): 26594528

約数和(自身を除く): 13465744

約数列:

[1, 2, 4, 8, 16, 37, 67, 74, 134, 148, 268, 296, 331, 536, 592, 662, 1072, 1324, 2479, 2648, 4958, 5296, 9916, 12247, 19832, 22177, 24494, 39664, 44354, 48988, 88708, 97976, 177416, 195952, 354832, 820549, 1641098, 3282196, 6564392, 13128784]

約数ペア:

[(1, 13128784), (2, 6564392), (4, 3282196), (8, 1641098), (16, 820549), (37, 354832), (67, 195952), (74, 177416), (134, 97976), (148, 88708), (268, 48988), (296, 44354), (331, 39664), (536, 24494), (592, 22177), (662, 19832), (1072, 12247), (1324, 9916), (2479, 5296), (2648, 4958)]