72400972

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 149022720

約数和(自身を除く): 76621748

約数列:

[1, 2, 4, 7, 14, 28, 71, 79, 142, 158, 284, 316, 461, 497, 553, 922, 994, 1106, 1844, 1988, 2212, 3227, 5609, 6454, 11218, 12908, 22436, 32731, 36419, 39263, 65462, 72838, 78526, 130924, 145676, 157052, 229117, 254933, 458234, 509866, 916468, 1019732, 2585749, 5171498, 10342996, 18100243, 36200486, 72400972]

約数ペア:

[(1, 72400972), (2, 36200486), (4, 18100243), (7, 10342996), (14, 5171498), (28, 2585749), (71, 1019732), (79, 916468), (142, 509866), (158, 458234), (284, 254933), (316, 229117), (461, 157052), (497, 145676), (553, 130924), (922, 78526), (994, 72838), (1106, 65462), (1844, 39263), (1988, 36419), (2212, 32731), (3227, 22436), (5609, 12908), (6454, 11218)]