394708938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:707

約数の個数: 64

約数和(自身を含む): 870912000

約数和(自身を除く): 476203062

約数列:

[1, 2, 3, 6, 13, 26, 39, 59, 78, 118, 177, 199, 354, 398, 431, 597, 767, 862, 1194, 1293, 1534, 2301, 2586, 2587, 4602, 5174, 5603, 7761, 11206, 11741, 15522, 16809, 23482, 25429, 33618, 35223, 50858, 70446, 76287, 85769, 152574, 152633, 171538, 257307, 305266, 330577, 457899, 514614, 661154, 915798, 991731, 1114997, 1983462, 2229994, 3344991, 5060371, 6689982, 10120742, 15181113, 30362226, 65784823, 131569646, 197354469, 394708938]

約数ペア:

[(1, 394708938), (2, 197354469), (3, 131569646), (6, 65784823), (13, 30362226), (26, 15181113), (39, 10120742), (59, 6689982), (78, 5060371), (118, 3344991), (177, 2229994), (199, 1983462), (354, 1114997), (398, 991731), (431, 915798), (597, 661154), (767, 514614), (862, 457899), (1194, 330577), (1293, 305266), (1534, 257307), (2301, 171538), (2586, 152633), (2587, 152574), (4602, 85769), (5174, 76287), (5603, 70446), (7761, 50858), (11206, 35223), (11741, 33618), (15522, 25429), (16809, 23482)]