25260196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 51540160

約数和(自身を除く): 26279964

約数列:

[1, 2, 4, 13, 19, 26, 37, 38, 52, 74, 76, 148, 247, 481, 494, 691, 703, 962, 988, 1382, 1406, 1924, 2764, 2812, 8983, 9139, 13129, 17966, 18278, 25567, 26258, 35932, 36556, 51134, 52516, 102268, 170677, 332371, 341354, 485773, 664742, 682708, 971546, 1329484, 1943092, 6315049, 12630098, 25260196]

約数ペア:

[(1, 25260196), (2, 12630098), (4, 6315049), (13, 1943092), (19, 1329484), (26, 971546), (37, 682708), (38, 664742), (52, 485773), (74, 341354), (76, 332371), (148, 170677), (247, 102268), (481, 52516), (494, 51134), (691, 36556), (703, 35932), (962, 26258), (988, 25567), (1382, 18278), (1406, 17966), (1924, 13129), (2764, 9139), (2812, 8983)]