389901694588

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1\times {\mathrm{143287}}^1$

素因数の和:144074

約数の個数: 48

約数和(自身を含む): 786043578880

約数和(自身を除く): 396141884292

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 619, 628, 1099, 1238, 2198, 2476, 4333, 4396, 8666, 17332, 97183, 143287, 194366, 286574, 388732, 573148, 680281, 1003009, 1360562, 2006018, 2721124, 4012036, 22496059, 44992118, 88694653, 89984236, 157472413, 177389306, 314944826, 354778612, 620862571, 629889652, 1241725142, 2483450284, 13925060521, 27850121042, 55700242084, 97475423647, 194950847294, 389901694588]

約数ペア:

[(1, 389901694588), (2, 194950847294), (4, 97475423647), (7, 55700242084), (14, 27850121042), (28, 13925060521), (157, 2483450284), (314, 1241725142), (619, 629889652), (628, 620862571), (1099, 354778612), (1238, 314944826), (2198, 177389306), (2476, 157472413), (4333, 89984236), (4396, 88694653), (8666, 44992118), (17332, 22496059), (97183, 4012036), (143287, 2721124), (194366, 2006018), (286574, 1360562), (388732, 1003009), (573148, 680281)]