390670897

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 443418624

約数和(自身を除く): 52747727

約数列:

[1, 17, 31, 53, 71, 197, 527, 901, 1207, 1643, 2201, 3349, 3763, 6107, 10441, 13987, 27931, 37417, 63971, 103819, 116653, 177497, 237779, 323671, 433597, 741311, 1983101, 5502407, 7371149, 12602287, 22980641, 390670897]

約数ペア:

[(1, 390670897), (17, 22980641), (31, 12602287), (53, 7371149), (71, 5502407), (197, 1983101), (527, 741311), (901, 433597), (1207, 323671), (1643, 237779), (2201, 177497), (3349, 116653), (3763, 103819), (6107, 63971), (10441, 37417), (13987, 27931)]