257580648

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{30577}}^1$

素因数の和:30608

約数の個数: 80

約数和(自身を含む): 776986980

約数和(自身を除く): 519406332

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424, 30577, 61154, 91731, 122308, 183462, 244616, 275193, 366924, 397501, 550386, 733848, 795002, 825579, 1100772, 1192503, 1590004, 1651158, 2201544, 2385006, 2476737, 3180008, 3302316, 3577509, 4770012, 4953474, 6604632, 7155018, 9540024, 9906948, 10732527, 14310036, 19813896, 21465054, 28620072, 32197581, 42930108, 64395162, 85860216, 128790324, 257580648]

約数ペア:

[(1, 257580648), (2, 128790324), (3, 85860216), (4, 64395162), (6, 42930108), (8, 32197581), (9, 28620072), (12, 21465054), (13, 19813896), (18, 14310036), (24, 10732527), (26, 9906948), (27, 9540024), (36, 7155018), (39, 6604632), (52, 4953474), (54, 4770012), (72, 3577509), (78, 3302316), (81, 3180008), (104, 2476737), (108, 2385006), (117, 2201544), (156, 1651158), (162, 1590004), (216, 1192503), (234, 1100772), (312, 825579), (324, 795002), (351, 733848), (468, 550386), (648, 397501), (702, 366924), (936, 275193), (1053, 244616), (1404, 183462), (2106, 122308), (2808, 91731), (4212, 61154), (8424, 30577)]