12947584

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 28788480

約数和(自身を除く): 15840896

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 251, 403, 416, 496, 502, 806, 832, 992, 1004, 1612, 1664, 1984, 2008, 3224, 3263, 3968, 4016, 6448, 6526, 7781, 8032, 12896, 13052, 15562, 16064, 25792, 26104, 31124, 32128, 51584, 52208, 62248, 101153, 104416, 124496, 202306, 208832, 248992, 404612, 417664, 497984, 809224, 995968, 1618448, 3236896, 6473792, 12947584]

約数ペア:

[(1, 12947584), (2, 6473792), (4, 3236896), (8, 1618448), (13, 995968), (16, 809224), (26, 497984), (31, 417664), (32, 404612), (52, 248992), (62, 208832), (64, 202306), (104, 124496), (124, 104416), (128, 101153), (208, 62248), (248, 52208), (251, 51584), (403, 32128), (416, 31124), (496, 26104), (502, 25792), (806, 16064), (832, 15562), (992, 13052), (1004, 12896), (1612, 8032), (1664, 7781), (1984, 6526), (2008, 6448), (3224, 4016), (3263, 3968)]