81462108

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10657}}^1$

素因数の和:10691

約数の個数: 72

約数和(自身を含む): 238142352

約数和(自身を除く): 156680244

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 7644, 10657, 21314, 31971, 42628, 63942, 74599, 127884, 138541, 149198, 223797, 277082, 298396, 415623, 447594, 522193, 554164, 831246, 895188, 969787, 1044386, 1566579, 1662492, 1939574, 2088772, 2909361, 3133158, 3879148, 5818722, 6266316, 6788509, 11637444, 13577018, 20365527, 27154036, 40731054, 81462108]

約数ペア:

[(1, 81462108), (2, 40731054), (3, 27154036), (4, 20365527), (6, 13577018), (7, 11637444), (12, 6788509), (13, 6266316), (14, 5818722), (21, 3879148), (26, 3133158), (28, 2909361), (39, 2088772), (42, 1939574), (49, 1662492), (52, 1566579), (78, 1044386), (84, 969787), (91, 895188), (98, 831246), (147, 554164), (156, 522193), (182, 447594), (196, 415623), (273, 298396), (294, 277082), (364, 223797), (546, 149198), (588, 138541), (637, 127884), (1092, 74599), (1274, 63942), (1911, 42628), (2548, 31971), (3822, 21314), (7644, 10657)]