639995988

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{14173}}^1$

素因数の和:14304

約数の個数: 48

約数和(自身を含む): 1543038336

約数和(自身を除く): 903042348

約数列:

[1, 2, 3, 4, 6, 12, 53, 71, 106, 142, 159, 212, 213, 284, 318, 426, 636, 852, 3763, 7526, 11289, 14173, 15052, 22578, 28346, 42519, 45156, 56692, 85038, 170076, 751169, 1006283, 1502338, 2012566, 2253507, 3004676, 3018849, 4025132, 4507014, 6037698, 9014028, 12075396, 53332999, 106665998, 159998997, 213331996, 319997994, 639995988]

約数ペア:

[(1, 639995988), (2, 319997994), (3, 213331996), (4, 159998997), (6, 106665998), (12, 53332999), (53, 12075396), (71, 9014028), (106, 6037698), (142, 4507014), (159, 4025132), (212, 3018849), (213, 3004676), (284, 2253507), (318, 2012566), (426, 1502338), (636, 1006283), (852, 751169), (3763, 170076), (7526, 85038), (11289, 56692), (14173, 45156), (15052, 42519), (22578, 28346)]