78156438

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 169205760

約数和(自身を除く): 91049322

約数列:

[1, 2, 3, 6, 23, 46, 67, 69, 79, 107, 134, 138, 158, 201, 214, 237, 321, 402, 474, 642, 1541, 1817, 2461, 3082, 3634, 4623, 4922, 5293, 5451, 7169, 7383, 8453, 9246, 10586, 10902, 14338, 14766, 15879, 16906, 21507, 25359, 31758, 43014, 50718, 121739, 164887, 194419, 243478, 329774, 365217, 388838, 494661, 566351, 583257, 730434, 989322, 1132702, 1166514, 1699053, 3398106, 13026073, 26052146, 39078219, 78156438]

約数ペア:

[(1, 78156438), (2, 39078219), (3, 26052146), (6, 13026073), (23, 3398106), (46, 1699053), (67, 1166514), (69, 1132702), (79, 989322), (107, 730434), (134, 583257), (138, 566351), (158, 494661), (201, 388838), (214, 365217), (237, 329774), (321, 243478), (402, 194419), (474, 164887), (642, 121739), (1541, 50718), (1817, 43014), (2461, 31758), (3082, 25359), (3634, 21507), (4623, 16906), (4922, 15879), (5293, 14766), (5451, 14338), (7169, 10902), (7383, 10586), (8453, 9246)]