215340412

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{1453}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 442946560

約数和(自身を除く): 227606148

約数列:

[1, 2, 4, 7, 14, 28, 67, 79, 134, 158, 268, 316, 469, 553, 938, 1106, 1453, 1876, 2212, 2906, 5293, 5812, 10171, 10586, 20342, 21172, 37051, 40684, 74102, 97351, 114787, 148204, 194702, 229574, 389404, 459148, 681457, 803509, 1362914, 1607018, 2725828, 3214036, 7690729, 15381458, 30762916, 53835103, 107670206, 215340412]

約数ペア:

[(1, 215340412), (2, 107670206), (4, 53835103), (7, 30762916), (14, 15381458), (28, 7690729), (67, 3214036), (79, 2725828), (134, 1607018), (158, 1362914), (268, 803509), (316, 681457), (469, 459148), (553, 389404), (938, 229574), (1106, 194702), (1453, 148204), (1876, 114787), (2212, 97351), (2906, 74102), (5293, 40684), (5812, 37051), (10171, 21172), (10586, 20342)]