71523725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 110409600

約数和(自身を除く): 38885875

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 149, 175, 211, 325, 455, 745, 1043, 1055, 1477, 1937, 2275, 2743, 3725, 5215, 5275, 7385, 9685, 13559, 13715, 19201, 26075, 31439, 36925, 48425, 67795, 68575, 96005, 157195, 220073, 338975, 408707, 480025, 785975, 1100365, 2043535, 2860949, 5501825, 10217675, 14304745, 71523725]

約数ペア:

[(1, 71523725), (5, 14304745), (7, 10217675), (13, 5501825), (25, 2860949), (35, 2043535), (65, 1100365), (91, 785975), (149, 480025), (175, 408707), (211, 338975), (325, 220073), (455, 157195), (745, 96005), (1043, 68575), (1055, 67795), (1477, 48425), (1937, 36925), (2275, 31439), (2743, 26075), (3725, 19201), (5215, 13715), (5275, 13559), (7385, 9685)]