289196635

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1601}}^1$

素因数の和:2023

約数の個数: 32

約数和(自身を含む): 428464512

約数和(自身を除く): 139267877

約数列:

[1, 5, 7, 13, 35, 65, 91, 397, 455, 1601, 1985, 2779, 5161, 8005, 11207, 13895, 20813, 25805, 36127, 56035, 104065, 145691, 180635, 635597, 728455, 3177985, 4449179, 8262761, 22245895, 41313805, 57839327, 289196635]

約数ペア:

[(1, 289196635), (5, 57839327), (7, 41313805), (13, 22245895), (35, 8262761), (65, 4449179), (91, 3177985), (397, 728455), (455, 635597), (1601, 180635), (1985, 145691), (2779, 104065), (5161, 56035), (8005, 36127), (11207, 25805), (13895, 20813)]