31272108

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^2$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 86134272

約数和(自身を除く): 54862164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 89, 94, 141, 178, 188, 267, 282, 329, 356, 534, 564, 623, 658, 987, 1068, 1246, 1316, 1869, 1974, 2492, 3738, 3948, 4183, 7476, 7921, 8366, 12549, 15842, 16732, 23763, 25098, 29281, 31684, 47526, 50196, 55447, 58562, 87843, 95052, 110894, 117124, 166341, 175686, 221788, 332682, 351372, 372287, 665364, 744574, 1116861, 1489148, 2233722, 2606009, 4467444, 5212018, 7818027, 10424036, 15636054, 31272108]

約数ペア:

[(1, 31272108), (2, 15636054), (3, 10424036), (4, 7818027), (6, 5212018), (7, 4467444), (12, 2606009), (14, 2233722), (21, 1489148), (28, 1116861), (42, 744574), (47, 665364), (84, 372287), (89, 351372), (94, 332682), (141, 221788), (178, 175686), (188, 166341), (267, 117124), (282, 110894), (329, 95052), (356, 87843), (534, 58562), (564, 55447), (623, 50196), (658, 47526), (987, 31684), (1068, 29281), (1246, 25098), (1316, 23763), (1869, 16732), (1974, 15842), (2492, 12549), (3738, 8366), (3948, 7921), (4183, 7476)]