1291247756

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{911}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 2376431232

約数和(自身を除く): 1085183476

約数列:

[1, 2, 4, 37, 61, 74, 122, 148, 157, 244, 314, 628, 911, 1822, 2257, 3644, 4514, 5809, 9028, 9577, 11618, 19154, 23236, 33707, 38308, 55571, 67414, 111142, 134828, 143027, 222284, 286054, 354349, 572108, 708698, 1417396, 2056127, 4112254, 5291999, 8224508, 8724647, 10583998, 17449294, 21167996, 34898588, 322811939, 645623878, 1291247756]

約数ペア:

[(1, 1291247756), (2, 645623878), (4, 322811939), (37, 34898588), (61, 21167996), (74, 17449294), (122, 10583998), (148, 8724647), (157, 8224508), (244, 5291999), (314, 4112254), (628, 2056127), (911, 1417396), (1822, 708698), (2257, 572108), (3644, 354349), (4514, 286054), (5809, 222284), (9028, 143027), (9577, 134828), (11618, 111142), (19154, 67414), (23236, 55571), (33707, 38308)]