25904333

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 33530112

約数和(自身を除く): 7625779

約数列:

[1, 7, 13, 41, 53, 91, 131, 287, 371, 533, 689, 917, 1703, 2173, 3731, 4823, 5371, 6943, 11921, 15211, 28249, 37597, 48601, 69823, 90259, 197743, 284663, 488761, 631813, 1992641, 3700619, 25904333]

約数ペア:

[(1, 25904333), (7, 3700619), (13, 1992641), (41, 631813), (53, 488761), (91, 284663), (131, 197743), (287, 90259), (371, 69823), (533, 48601), (689, 37597), (917, 28249), (1703, 15211), (2173, 11921), (3731, 6943), (4823, 5371)]