9999291490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{13171}}^1$

素因数の和:13319

約数の個数: 48

約数和(自身を含む): 18834906240

約数和(自身を除く): 8835614750

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 961, 1922, 2449, 4805, 4898, 9610, 12245, 13171, 24490, 26342, 65855, 75919, 131710, 151838, 379595, 408301, 759190, 816602, 1040509, 2041505, 2081018, 4083010, 5202545, 10405090, 12657331, 25314662, 32255779, 63286655, 64511558, 126573310, 161278895, 322557790, 999929149, 1999858298, 4999645745, 9999291490]

約数ペア:

[(1, 9999291490), (2, 4999645745), (5, 1999858298), (10, 999929149), (31, 322557790), (62, 161278895), (79, 126573310), (155, 64511558), (158, 63286655), (310, 32255779), (395, 25314662), (790, 12657331), (961, 10405090), (1922, 5202545), (2449, 4083010), (4805, 2081018), (4898, 2041505), (9610, 1040509), (12245, 816602), (13171, 759190), (24490, 408301), (26342, 379595), (65855, 151838), (75919, 131710)]