218331390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{102503}}^1$

素因数の和:102584

約数の個数: 32

約数和(自身を含む): 531380736

約数和(自身を除く): 313049346

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 102503, 205006, 307509, 512515, 615018, 1025030, 1537545, 3075090, 7277713, 14555426, 21833139, 36388565, 43666278, 72777130, 109165695, 218331390]

約数ペア:

[(1, 218331390), (2, 109165695), (3, 72777130), (5, 43666278), (6, 36388565), (10, 21833139), (15, 14555426), (30, 7277713), (71, 3075090), (142, 1537545), (213, 1025030), (355, 615018), (426, 512515), (710, 307509), (1065, 205006), (2130, 102503)]