820199276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{3911}}^1$

素因数の和:4074

約数の個数: 48

約数和(自身を含む): 1602511680

約数和(自身を除く): 782312404

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 109, 148, 218, 436, 481, 962, 1417, 1924, 2834, 3911, 4033, 5668, 7822, 8066, 15644, 16132, 50843, 52429, 101686, 104858, 144707, 203372, 209716, 289414, 426299, 578828, 852598, 1705196, 1881191, 3762382, 5541887, 7524764, 11083774, 15773063, 22167548, 31546126, 63092252, 205049819, 410099638, 820199276]

約数ペア:

[(1, 820199276), (2, 410099638), (4, 205049819), (13, 63092252), (26, 31546126), (37, 22167548), (52, 15773063), (74, 11083774), (109, 7524764), (148, 5541887), (218, 3762382), (436, 1881191), (481, 1705196), (962, 852598), (1417, 578828), (1924, 426299), (2834, 289414), (3911, 209716), (4033, 203372), (5668, 144707), (7822, 104858), (8066, 101686), (15644, 52429), (16132, 50843)]