12871248

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{20627}}^1$

素因数の和:20651

約数の個数: 40

約数和(自身を含む): 35810208

約数和(自身を除く): 22938960

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 20627, 41254, 61881, 82508, 123762, 165016, 247524, 268151, 330032, 495048, 536302, 804453, 990096, 1072604, 1608906, 2145208, 3217812, 4290416, 6435624, 12871248]

約数ペア:

[(1, 12871248), (2, 6435624), (3, 4290416), (4, 3217812), (6, 2145208), (8, 1608906), (12, 1072604), (13, 990096), (16, 804453), (24, 536302), (26, 495048), (39, 330032), (48, 268151), (52, 247524), (78, 165016), (104, 123762), (156, 82508), (208, 61881), (312, 41254), (624, 20627)]