25325573

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 7333627

約数列:

[1, 7, 13, 53, 59, 89, 91, 371, 413, 623, 689, 767, 1157, 3127, 4717, 4823, 5251, 5369, 8099, 21889, 33019, 36757, 40651, 61321, 68263, 278303, 284557, 429247, 477841, 1948121, 3617939, 25325573]

約数ペア:

[(1, 25325573), (7, 3617939), (13, 1948121), (53, 477841), (59, 429247), (89, 284557), (91, 278303), (371, 68263), (413, 61321), (623, 40651), (689, 36757), (767, 33019), (1157, 21889), (3127, 8099), (4717, 5369), (4823, 5251)]