781472008

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 1542136320

約数和(自身を除く): 760664312

約数列:

[1, 2, 4, 8, 47, 71, 73, 94, 142, 146, 188, 284, 292, 376, 401, 568, 584, 802, 1604, 3208, 3337, 3431, 5183, 6674, 6862, 10366, 13348, 13724, 18847, 20732, 26696, 27448, 28471, 29273, 37694, 41464, 56942, 58546, 75388, 113884, 117092, 150776, 227768, 234184, 243601, 487202, 974404, 1338137, 1375831, 1948808, 2078383, 2676274, 2751662, 4156766, 5352548, 5503324, 8313532, 10705096, 11006648, 16627064, 97684001, 195368002, 390736004, 781472008]

約数ペア:

[(1, 781472008), (2, 390736004), (4, 195368002), (8, 97684001), (47, 16627064), (71, 11006648), (73, 10705096), (94, 8313532), (142, 5503324), (146, 5352548), (188, 4156766), (284, 2751662), (292, 2676274), (376, 2078383), (401, 1948808), (568, 1375831), (584, 1338137), (802, 974404), (1604, 487202), (3208, 243601), (3337, 234184), (3431, 227768), (5183, 150776), (6674, 117092), (6862, 113884), (10366, 75388), (13348, 58546), (13724, 56942), (18847, 41464), (20732, 37694), (26696, 29273), (27448, 28471)]