12503972

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:432

約数の個数: 36

約数和(自身を含む): 24210900

約数和(自身を除く): 11706928

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 169, 212, 338, 349, 676, 689, 698, 1378, 1396, 2756, 4537, 8957, 9074, 17914, 18148, 18497, 35828, 36994, 58981, 73988, 117962, 235924, 240461, 480922, 961844, 3125993, 6251986, 12503972]

約数ペア:

[(1, 12503972), (2, 6251986), (4, 3125993), (13, 961844), (26, 480922), (52, 240461), (53, 235924), (106, 117962), (169, 73988), (212, 58981), (338, 36994), (349, 35828), (676, 18497), (689, 18148), (698, 17914), (1378, 9074), (1396, 8957), (2756, 4537)]