31252130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 70495488

約数和(自身を除く): 39243358

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 61, 65, 70, 91, 122, 130, 182, 305, 427, 455, 563, 610, 793, 854, 910, 1126, 1586, 2135, 2815, 3941, 3965, 4270, 5551, 5630, 7319, 7882, 7930, 11102, 14638, 19705, 27755, 34343, 36595, 39410, 51233, 55510, 68686, 73190, 102466, 171715, 240401, 256165, 343430, 446459, 480802, 512330, 892918, 1202005, 2232295, 2404010, 3125213, 4464590, 6250426, 15626065, 31252130]

約数ペア:

[(1, 31252130), (2, 15626065), (5, 6250426), (7, 4464590), (10, 3125213), (13, 2404010), (14, 2232295), (26, 1202005), (35, 892918), (61, 512330), (65, 480802), (70, 446459), (91, 343430), (122, 256165), (130, 240401), (182, 171715), (305, 102466), (427, 73190), (455, 68686), (563, 55510), (610, 51233), (793, 39410), (854, 36595), (910, 34343), (1126, 27755), (1586, 19705), (2135, 14638), (2815, 11102), (3941, 7930), (3965, 7882), (4270, 7319), (5551, 5630)]