128369904

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{205721}}^1$

素因数の和:205745

約数の個数: 40

約数和(自身を含む): 357133392

約数和(自身を除く): 228763488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 205721, 411442, 617163, 822884, 1234326, 1645768, 2468652, 2674373, 3291536, 4937304, 5348746, 8023119, 9874608, 10697492, 16046238, 21394984, 32092476, 42789968, 64184952, 128369904]

約数ペア:

[(1, 128369904), (2, 64184952), (3, 42789968), (4, 32092476), (6, 21394984), (8, 16046238), (12, 10697492), (13, 9874608), (16, 8023119), (24, 5348746), (26, 4937304), (39, 3291536), (48, 2674373), (52, 2468652), (78, 1645768), (104, 1234326), (156, 822884), (208, 617163), (312, 411442), (624, 205721)]