28380984

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 75504000

約数和(自身を除く): 47123016

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 109, 114, 152, 218, 228, 327, 436, 456, 571, 654, 872, 1142, 1308, 1713, 2071, 2284, 2616, 3426, 4142, 4568, 6213, 6852, 8284, 10849, 12426, 13704, 16568, 21698, 24852, 32547, 43396, 49704, 62239, 65094, 86792, 124478, 130188, 186717, 248956, 260376, 373434, 497912, 746868, 1182541, 1493736, 2365082, 3547623, 4730164, 7095246, 9460328, 14190492, 28380984]

約数ペア:

[(1, 28380984), (2, 14190492), (3, 9460328), (4, 7095246), (6, 4730164), (8, 3547623), (12, 2365082), (19, 1493736), (24, 1182541), (38, 746868), (57, 497912), (76, 373434), (109, 260376), (114, 248956), (152, 186717), (218, 130188), (228, 124478), (327, 86792), (436, 65094), (456, 62239), (571, 49704), (654, 43396), (872, 32547), (1142, 24852), (1308, 21698), (1713, 16568), (2071, 13704), (2284, 12426), (2616, 10849), (3426, 8284), (4142, 6852), (4568, 6213)]