640679592

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{947}}^1\times {\mathrm{4027}}^1$

素因数の和:4990

約数の個数: 64

約数和(自身を含む): 1832901120

約数和(自身を除く): 1192221528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 947, 1894, 2841, 3788, 4027, 5682, 6629, 7576, 8054, 11364, 12081, 13258, 16108, 19887, 22728, 24162, 26516, 28189, 32216, 39774, 48324, 53032, 56378, 79548, 84567, 96648, 112756, 159096, 169134, 225512, 338268, 676536, 3813569, 7627138, 11440707, 15254276, 22881414, 26694983, 30508552, 45762828, 53389966, 80084949, 91525656, 106779932, 160169898, 213559864, 320339796, 640679592]

約数ペア:

[(1, 640679592), (2, 320339796), (3, 213559864), (4, 160169898), (6, 106779932), (7, 91525656), (8, 80084949), (12, 53389966), (14, 45762828), (21, 30508552), (24, 26694983), (28, 22881414), (42, 15254276), (56, 11440707), (84, 7627138), (168, 3813569), (947, 676536), (1894, 338268), (2841, 225512), (3788, 169134), (4027, 159096), (5682, 112756), (6629, 96648), (7576, 84567), (8054, 79548), (11364, 56378), (12081, 53032), (13258, 48324), (16108, 39774), (19887, 32216), (22728, 28189), (24162, 26516)]