643881264

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{4111}}^1$

素因数の和:4386

約数の個数: 80

約数和(自身を含む): 1798884864

約数和(自身を除く): 1155003600

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 251, 312, 502, 624, 753, 1004, 1506, 2008, 3012, 3263, 4016, 4111, 6024, 6526, 8222, 9789, 12048, 12333, 13052, 16444, 19578, 24666, 26104, 32888, 39156, 49332, 52208, 53443, 65776, 78312, 98664, 106886, 156624, 160329, 197328, 213772, 320658, 427544, 641316, 855088, 1031861, 1282632, 2063722, 2565264, 3095583, 4127444, 6191166, 8254888, 12382332, 13414193, 16509776, 24764664, 26828386, 40242579, 49529328, 53656772, 80485158, 107313544, 160970316, 214627088, 321940632, 643881264]

約数ペア:

[(1, 643881264), (2, 321940632), (3, 214627088), (4, 160970316), (6, 107313544), (8, 80485158), (12, 53656772), (13, 49529328), (16, 40242579), (24, 26828386), (26, 24764664), (39, 16509776), (48, 13414193), (52, 12382332), (78, 8254888), (104, 6191166), (156, 4127444), (208, 3095583), (251, 2565264), (312, 2063722), (502, 1282632), (624, 1031861), (753, 855088), (1004, 641316), (1506, 427544), (2008, 320658), (3012, 213772), (3263, 197328), (4016, 160329), (4111, 156624), (6024, 106886), (6526, 98664), (8222, 78312), (9789, 65776), (12048, 53443), (12333, 52208), (13052, 49332), (16444, 39156), (19578, 32888), (24666, 26104)]