28226224

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1399}}^1$

素因数の和:1517

約数の個数: 40

約数和(自身を含む): 59544800

約数和(自身を除く): 31318576

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 194, 208, 388, 776, 1261, 1399, 1552, 2522, 2798, 5044, 5596, 10088, 11192, 18187, 20176, 22384, 36374, 72748, 135703, 145496, 271406, 290992, 542812, 1085624, 1764139, 2171248, 3528278, 7056556, 14113112, 28226224]

約数ペア:

[(1, 28226224), (2, 14113112), (4, 7056556), (8, 3528278), (13, 2171248), (16, 1764139), (26, 1085624), (52, 542812), (97, 290992), (104, 271406), (194, 145496), (208, 135703), (388, 72748), (776, 36374), (1261, 22384), (1399, 20176), (1552, 18187), (2522, 11192), (2798, 10088), (5044, 5596)]