25931898

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 57822336

約数和(自身を除く): 31890438

約数列:

[1, 2, 3, 6, 9, 18, 71, 103, 142, 197, 206, 213, 309, 394, 426, 591, 618, 639, 927, 1182, 1278, 1773, 1854, 3546, 7313, 13987, 14626, 20291, 21939, 27974, 40582, 41961, 43878, 60873, 65817, 83922, 121746, 125883, 131634, 182619, 251766, 365238, 1440661, 2881322, 4321983, 8643966, 12965949, 25931898]

約数ペア:

[(1, 25931898), (2, 12965949), (3, 8643966), (6, 4321983), (9, 2881322), (18, 1440661), (71, 365238), (103, 251766), (142, 182619), (197, 131634), (206, 125883), (213, 121746), (309, 83922), (394, 65817), (426, 60873), (591, 43878), (618, 41961), (639, 40582), (927, 27974), (1182, 21939), (1278, 20291), (1773, 14626), (1854, 13987), (3546, 7313)]