257997632

素因数分解:

$2^6\times {\mathrm{101}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:519

約数の個数: 56

約数和(自身を含む): 522305280

約数和(自身を除く): 264307648

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 167, 202, 239, 334, 404, 478, 668, 808, 956, 1336, 1616, 1912, 2672, 3232, 3824, 5344, 6464, 7648, 10688, 15296, 16867, 24139, 33734, 39913, 48278, 67468, 79826, 96556, 134936, 159652, 193112, 269872, 319304, 386224, 539744, 638608, 772448, 1079488, 1277216, 1544896, 2554432, 4031213, 8062426, 16124852, 32249704, 64499408, 128998816, 257997632]

約数ペア:

[(1, 257997632), (2, 128998816), (4, 64499408), (8, 32249704), (16, 16124852), (32, 8062426), (64, 4031213), (101, 2554432), (167, 1544896), (202, 1277216), (239, 1079488), (334, 772448), (404, 638608), (478, 539744), (668, 386224), (808, 319304), (956, 269872), (1336, 193112), (1616, 159652), (1912, 134936), (2672, 96556), (3232, 79826), (3824, 67468), (5344, 48278), (6464, 39913), (7648, 33734), (10688, 24139), (15296, 16867)]