31994788

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 66648960

約数和(自身を除く): 34654172

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 89, 148, 178, 259, 347, 356, 518, 623, 694, 1036, 1246, 1388, 2429, 2492, 3293, 4858, 6586, 9716, 12839, 13172, 23051, 25678, 30883, 46102, 51356, 61766, 89873, 92204, 123532, 179746, 216181, 359492, 432362, 864724, 1142671, 2285342, 4570684, 7998697, 15997394, 31994788]

約数ペア:

[(1, 31994788), (2, 15997394), (4, 7998697), (7, 4570684), (14, 2285342), (28, 1142671), (37, 864724), (74, 432362), (89, 359492), (148, 216181), (178, 179746), (259, 123532), (347, 92204), (356, 89873), (518, 61766), (623, 51356), (694, 46102), (1036, 30883), (1246, 25678), (1388, 23051), (2429, 13172), (2492, 12839), (3293, 9716), (4858, 6586)]