161292404

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^2$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 356807808

約数和(自身を除く): 195515404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 79, 91, 142, 158, 182, 284, 316, 364, 497, 553, 923, 994, 1027, 1106, 1846, 1988, 2054, 2212, 3692, 4108, 5609, 6241, 6461, 7189, 11218, 12482, 12922, 14378, 22436, 24964, 25844, 28756, 39263, 43687, 72917, 78526, 81133, 87374, 145834, 157052, 162266, 174748, 291668, 324532, 443111, 510419, 567931, 886222, 1020838, 1135862, 1772444, 2041676, 2271724, 3101777, 5760443, 6203554, 11520886, 12407108, 23041772, 40323101, 80646202, 161292404]

約数ペア:

[(1, 161292404), (2, 80646202), (4, 40323101), (7, 23041772), (13, 12407108), (14, 11520886), (26, 6203554), (28, 5760443), (52, 3101777), (71, 2271724), (79, 2041676), (91, 1772444), (142, 1135862), (158, 1020838), (182, 886222), (284, 567931), (316, 510419), (364, 443111), (497, 324532), (553, 291668), (923, 174748), (994, 162266), (1027, 157052), (1106, 145834), (1846, 87374), (1988, 81133), (2054, 78526), (2212, 72917), (3692, 43687), (4108, 39263), (5609, 28756), (6241, 25844), (6461, 24964), (7189, 22436), (11218, 14378), (12482, 12922)]