77655025

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 114992640

約数和(自身を除く): 37337615

約数列:

[1, 5, 7, 25, 35, 41, 79, 137, 175, 205, 287, 395, 553, 685, 959, 1025, 1435, 1975, 2765, 3239, 3425, 4795, 5617, 7175, 10823, 13825, 16195, 22673, 23975, 28085, 39319, 54115, 75761, 80975, 113365, 140425, 196595, 270575, 378805, 443743, 566825, 982975, 1894025, 2218715, 3106201, 11093575, 15531005, 77655025]

約数ペア:

[(1, 77655025), (5, 15531005), (7, 11093575), (25, 3106201), (35, 2218715), (41, 1894025), (79, 982975), (137, 566825), (175, 443743), (205, 378805), (287, 270575), (395, 196595), (553, 140425), (685, 113365), (959, 80975), (1025, 75761), (1435, 54115), (1975, 39319), (2765, 28085), (3239, 23975), (3425, 22673), (4795, 16195), (5617, 13825), (7175, 10823)]