2887690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 5680080

約数和(自身を除く): 2792390

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 229, 458, 485, 970, 1145, 1261, 2290, 2522, 2977, 5954, 6305, 12610, 14885, 22213, 29770, 44426, 111065, 222130, 288769, 577538, 1443845, 2887690]

約数ペア:

[(1, 2887690), (2, 1443845), (5, 577538), (10, 288769), (13, 222130), (26, 111065), (65, 44426), (97, 29770), (130, 22213), (194, 14885), (229, 12610), (458, 6305), (485, 5954), (970, 2977), (1145, 2522), (1261, 2290)]