31423028

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{499}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 68208000

約数和(自身を除く): 36784972

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 173, 182, 346, 364, 499, 692, 998, 1211, 1996, 2249, 2422, 3493, 4498, 4844, 6487, 6986, 8996, 12974, 13972, 15743, 25948, 31486, 45409, 62972, 86327, 90818, 172654, 181636, 345308, 604289, 1122251, 1208578, 2244502, 2417156, 4489004, 7855757, 15711514, 31423028]

約数ペア:

[(1, 31423028), (2, 15711514), (4, 7855757), (7, 4489004), (13, 2417156), (14, 2244502), (26, 1208578), (28, 1122251), (52, 604289), (91, 345308), (173, 181636), (182, 172654), (346, 90818), (364, 86327), (499, 62972), (692, 45409), (998, 31486), (1211, 25948), (1996, 15743), (2249, 13972), (2422, 12974), (3493, 8996), (4498, 6986), (4844, 6487)]