387480392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{6689}}^1$

素因数の和:7265

約数の個数: 32

約数和(自身を含む): 783934200

約数和(自身を除く): 396453808

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 557, 1114, 2228, 4456, 6689, 7241, 13378, 14482, 26756, 28964, 53512, 57928, 86957, 173914, 347828, 695656, 3725773, 7451546, 14903092, 29806184, 48435049, 96870098, 193740196, 387480392]

約数ペア:

[(1, 387480392), (2, 193740196), (4, 96870098), (8, 48435049), (13, 29806184), (26, 14903092), (52, 7451546), (104, 3725773), (557, 695656), (1114, 347828), (2228, 173914), (4456, 86957), (6689, 57928), (7241, 53512), (13378, 28964), (14482, 26756)]