1664748

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:494

約数の個数: 36

約数和(自身を含む): 4252248

約数和(自身を除く): 2587500

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 353, 393, 524, 706, 786, 1059, 1179, 1412, 1572, 2118, 2358, 3177, 4236, 4716, 6354, 12708, 46243, 92486, 138729, 184972, 277458, 416187, 554916, 832374, 1664748]

約数ペア:

[(1, 1664748), (2, 832374), (3, 554916), (4, 416187), (6, 277458), (9, 184972), (12, 138729), (18, 92486), (36, 46243), (131, 12708), (262, 6354), (353, 4716), (393, 4236), (524, 3177), (706, 2358), (786, 2118), (1059, 1572), (1179, 1412)]