131493568

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{347}}^1$

素因数の和:581

約数の個数: 56

約数和(自身を含む): 271540224

約数和(自身を除く): 140046656

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 191, 248, 347, 382, 496, 694, 764, 992, 1388, 1528, 1984, 2776, 3056, 5552, 5921, 6112, 10757, 11104, 11842, 12224, 21514, 22208, 23684, 43028, 47368, 66277, 86056, 94736, 132554, 172112, 189472, 265108, 344224, 378944, 530216, 688448, 1060432, 2054587, 2120864, 4109174, 4241728, 8218348, 16436696, 32873392, 65746784, 131493568]

約数ペア:

[(1, 131493568), (2, 65746784), (4, 32873392), (8, 16436696), (16, 8218348), (31, 4241728), (32, 4109174), (62, 2120864), (64, 2054587), (124, 1060432), (191, 688448), (248, 530216), (347, 378944), (382, 344224), (496, 265108), (694, 189472), (764, 172112), (992, 132554), (1388, 94736), (1528, 86056), (1984, 66277), (2776, 47368), (3056, 43028), (5552, 23684), (5921, 22208), (6112, 21514), (10757, 12224), (11104, 11842)]