388431364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{953}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 743662080

約数和(自身を除く): 355230716

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 173, 346, 589, 692, 953, 1178, 1906, 2356, 3287, 3812, 5363, 6574, 10726, 13148, 18107, 21452, 29543, 36214, 59086, 72428, 101897, 118172, 164869, 203794, 329738, 407588, 561317, 659476, 1122634, 2245268, 3132511, 5110939, 6265022, 10221878, 12530044, 20443756, 97107841, 194215682, 388431364]

約数ペア:

[(1, 388431364), (2, 194215682), (4, 97107841), (19, 20443756), (31, 12530044), (38, 10221878), (62, 6265022), (76, 5110939), (124, 3132511), (173, 2245268), (346, 1122634), (589, 659476), (692, 561317), (953, 407588), (1178, 329738), (1906, 203794), (2356, 164869), (3287, 118172), (3812, 101897), (5363, 72428), (6574, 59086), (10726, 36214), (13148, 29543), (18107, 21452)]