626627248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{20219}}^1$

素因数の和:20389

約数の個数: 40

約数和(自身を含む): 1316322000

約数和(自身を除く): 689694752

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 149, 208, 298, 596, 1192, 1937, 2384, 3874, 7748, 15496, 20219, 30992, 40438, 80876, 161752, 262847, 323504, 525694, 1051388, 2102776, 3012631, 4205552, 6025262, 12050524, 24101048, 39164203, 48202096, 78328406, 156656812, 313313624, 626627248]

約数ペア:

[(1, 626627248), (2, 313313624), (4, 156656812), (8, 78328406), (13, 48202096), (16, 39164203), (26, 24101048), (52, 12050524), (104, 6025262), (149, 4205552), (208, 3012631), (298, 2102776), (596, 1051388), (1192, 525694), (1937, 323504), (2384, 262847), (3874, 161752), (7748, 80876), (15496, 40438), (20219, 30992)]