221654030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{55001}}^1$

素因数の和:55052

約数の個数: 32

約数和(自身を含む): 443536128

約数和(自身を除く): 221882098

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 55001, 110002, 275005, 550010, 715013, 1430026, 1705031, 3410062, 3575065, 7150130, 8525155, 17050310, 22165403, 44330806, 110827015, 221654030]

約数ペア:

[(1, 221654030), (2, 110827015), (5, 44330806), (10, 22165403), (13, 17050310), (26, 8525155), (31, 7150130), (62, 3575065), (65, 3410062), (130, 1705031), (155, 1430026), (310, 715013), (403, 550010), (806, 275005), (2015, 110002), (4030, 55001)]