31842005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 46085760

約数和(自身を除く): 14243755

約数列:

[1, 5, 13, 19, 23, 59, 65, 95, 115, 247, 295, 299, 361, 437, 767, 1121, 1235, 1357, 1495, 1805, 2185, 3835, 4693, 5605, 5681, 6785, 8303, 14573, 17641, 21299, 23465, 25783, 28405, 41515, 72865, 88205, 106495, 107939, 128915, 276887, 335179, 489877, 539695, 1384435, 1675895, 2449385, 6368401, 31842005]

約数ペア:

[(1, 31842005), (5, 6368401), (13, 2449385), (19, 1675895), (23, 1384435), (59, 539695), (65, 489877), (95, 335179), (115, 276887), (247, 128915), (295, 107939), (299, 106495), (361, 88205), (437, 72865), (767, 41515), (1121, 28405), (1235, 25783), (1357, 23465), (1495, 21299), (1805, 17641), (2185, 14573), (3835, 8303), (4693, 6785), (5605, 5681)]