263276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 510384

約数和(自身を除く): 247108

約数列:

[1, 2, 4, 13, 26, 52, 61, 83, 122, 166, 244, 332, 793, 1079, 1586, 2158, 3172, 4316, 5063, 10126, 20252, 65819, 131638, 263276]

約数ペア:

[(1, 263276), (2, 131638), (4, 65819), (13, 20252), (26, 10126), (52, 5063), (61, 4316), (83, 3172), (122, 2158), (166, 1586), (244, 1079), (332, 793)]