664562704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67979}}^1$

素因数の和:68047

約数の個数: 40

約数和(自身を含む): 1416159360

約数和(自身を除く): 751596656

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 4888, 9776, 67979, 135958, 271916, 543832, 883727, 1087664, 1767454, 3195013, 3534908, 6390026, 7069816, 12780052, 14139632, 25560104, 41535169, 51120208, 83070338, 166140676, 332281352, 664562704]

約数ペア:

[(1, 664562704), (2, 332281352), (4, 166140676), (8, 83070338), (13, 51120208), (16, 41535169), (26, 25560104), (47, 14139632), (52, 12780052), (94, 7069816), (104, 6390026), (188, 3534908), (208, 3195013), (376, 1767454), (611, 1087664), (752, 883727), (1222, 543832), (2444, 271916), (4888, 135958), (9776, 67979)]