12778834428

素因数分解:

$2^2\times 3^5\times {\mathrm{43}}^1\times {\mathrm{305743}}^1$

素因数の和:305805

約数の個数: 72

約数和(自身を含む): 34277571328

約数和(自身を除く): 21498736900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 243, 258, 324, 387, 486, 516, 774, 972, 1161, 1548, 2322, 3483, 4644, 6966, 10449, 13932, 20898, 41796, 305743, 611486, 917229, 1222972, 1834458, 2751687, 3668916, 5503374, 8255061, 11006748, 13146949, 16510122, 24765183, 26293898, 33020244, 39440847, 49530366, 52587796, 74295549, 78881694, 99060732, 118322541, 148591098, 157763388, 236645082, 297182196, 354967623, 473290164, 709935246, 1064902869, 1419870492, 2129805738, 3194708607, 4259611476, 6389417214, 12778834428]

約数ペア:

[(1, 12778834428), (2, 6389417214), (3, 4259611476), (4, 3194708607), (6, 2129805738), (9, 1419870492), (12, 1064902869), (18, 709935246), (27, 473290164), (36, 354967623), (43, 297182196), (54, 236645082), (81, 157763388), (86, 148591098), (108, 118322541), (129, 99060732), (162, 78881694), (172, 74295549), (243, 52587796), (258, 49530366), (324, 39440847), (387, 33020244), (486, 26293898), (516, 24765183), (774, 16510122), (972, 13146949), (1161, 11006748), (1548, 8255061), (2322, 5503374), (3483, 3668916), (4644, 2751687), (6966, 1834458), (10449, 1222972), (13932, 917229), (20898, 611486), (41796, 305743)]