81109328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7211}}^1$

素因数の和:7275

約数の個数: 40

約数和(自身を含む): 169914720

約数和(自身を除く): 88805392

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 296, 304, 592, 703, 1406, 2812, 5624, 7211, 11248, 14422, 28844, 57688, 115376, 137009, 266807, 274018, 533614, 548036, 1067228, 1096072, 2134456, 2192144, 4268912, 5069333, 10138666, 20277332, 40554664, 81109328]

約数ペア:

[(1, 81109328), (2, 40554664), (4, 20277332), (8, 10138666), (16, 5069333), (19, 4268912), (37, 2192144), (38, 2134456), (74, 1096072), (76, 1067228), (148, 548036), (152, 533614), (296, 274018), (304, 266807), (592, 137009), (703, 115376), (1406, 57688), (2812, 28844), (5624, 14422), (7211, 11248)]