31191878

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 50349600

約数和(自身を除く): 19157722

約数列:

[1, 2, 29, 53, 58, 73, 106, 139, 146, 278, 1537, 2117, 3074, 3869, 4031, 4234, 7367, 7738, 8062, 10147, 14734, 20294, 112201, 213643, 224402, 294263, 427286, 537791, 588526, 1075582, 15595939, 31191878]

約数ペア:

[(1, 31191878), (2, 15595939), (29, 1075582), (53, 588526), (58, 537791), (73, 427286), (106, 294263), (139, 224402), (146, 213643), (278, 112201), (1537, 20294), (2117, 14734), (3074, 10147), (3869, 8062), (4031, 7738), (4234, 7367)]