639884172

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1\times {\mathrm{1747}}^1$

素因数の和:2118

約数の個数: 48

約数和(自身を含む): 1511782272

約数和(自身を除く): 871898100

約数列:

[1, 2, 3, 4, 6, 12, 131, 233, 262, 393, 466, 524, 699, 786, 932, 1398, 1572, 1747, 2796, 3494, 5241, 6988, 10482, 20964, 30523, 61046, 91569, 122092, 183138, 228857, 366276, 407051, 457714, 686571, 814102, 915428, 1221153, 1373142, 1628204, 2442306, 2746284, 4884612, 53323681, 106647362, 159971043, 213294724, 319942086, 639884172]

約数ペア:

[(1, 639884172), (2, 319942086), (3, 213294724), (4, 159971043), (6, 106647362), (12, 53323681), (131, 4884612), (233, 2746284), (262, 2442306), (393, 1628204), (466, 1373142), (524, 1221153), (699, 915428), (786, 814102), (932, 686571), (1398, 457714), (1572, 407051), (1747, 366276), (2796, 228857), (3494, 183138), (5241, 122092), (6988, 91569), (10482, 61046), (20964, 30523)]