28807952

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{491}}^1$

素因数の和:711

約数の個数: 40

約数和(自身を含む): 59177760

約数和(自身を除く): 30369808

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 193, 304, 386, 491, 772, 982, 1544, 1964, 3088, 3667, 3928, 7334, 7856, 9329, 14668, 18658, 29336, 37316, 58672, 74632, 94763, 149264, 189526, 379052, 758104, 1516208, 1800497, 3600994, 7201988, 14403976, 28807952]

約数ペア:

[(1, 28807952), (2, 14403976), (4, 7201988), (8, 3600994), (16, 1800497), (19, 1516208), (38, 758104), (76, 379052), (152, 189526), (193, 149264), (304, 94763), (386, 74632), (491, 58672), (772, 37316), (982, 29336), (1544, 18658), (1964, 14668), (3088, 9329), (3667, 7856), (3928, 7334)]