128429378

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:503

約数の個数: 64

約数和(自身を含む): 253808640

約数和(自身を除く): 125379262

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 101, 154, 161, 202, 253, 322, 359, 506, 707, 718, 1111, 1414, 1771, 2222, 2323, 2513, 3542, 3949, 4646, 5026, 7777, 7898, 8257, 15554, 16261, 16514, 25553, 27643, 32522, 36259, 51106, 55286, 57799, 72518, 90827, 115598, 178871, 181654, 253813, 357742, 398849, 507626, 635789, 797698, 833957, 1271578, 1667914, 2791943, 5583886, 5837699, 9173527, 11675398, 18347054, 64214689, 128429378]

約数ペア:

[(1, 128429378), (2, 64214689), (7, 18347054), (11, 11675398), (14, 9173527), (22, 5837699), (23, 5583886), (46, 2791943), (77, 1667914), (101, 1271578), (154, 833957), (161, 797698), (202, 635789), (253, 507626), (322, 398849), (359, 357742), (506, 253813), (707, 181654), (718, 178871), (1111, 115598), (1414, 90827), (1771, 72518), (2222, 57799), (2323, 55286), (2513, 51106), (3542, 36259), (3949, 32522), (4646, 27643), (5026, 25553), (7777, 16514), (7898, 16261), (8257, 15554)]