231657728

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 492767520

約数和(自身を除く): 261109792

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 97, 128, 152, 194, 256, 304, 388, 491, 608, 776, 982, 1216, 1552, 1843, 1964, 2432, 3104, 3686, 3928, 4864, 6208, 7372, 7856, 9329, 12416, 14744, 15712, 18658, 24832, 29488, 31424, 37316, 47627, 58976, 62848, 74632, 95254, 117952, 125696, 149264, 190508, 235904, 298528, 381016, 471808, 597056, 762032, 904913, 1194112, 1524064, 1809826, 2388224, 3048128, 3619652, 6096256, 7239304, 12192512, 14478608, 28957216, 57914432, 115828864, 231657728]

約数ペア:

[(1, 231657728), (2, 115828864), (4, 57914432), (8, 28957216), (16, 14478608), (19, 12192512), (32, 7239304), (38, 6096256), (64, 3619652), (76, 3048128), (97, 2388224), (128, 1809826), (152, 1524064), (194, 1194112), (256, 904913), (304, 762032), (388, 597056), (491, 471808), (608, 381016), (776, 298528), (982, 235904), (1216, 190508), (1552, 149264), (1843, 125696), (1964, 117952), (2432, 95254), (3104, 74632), (3686, 62848), (3928, 58976), (4864, 47627), (6208, 37316), (7372, 31424), (7856, 29488), (9329, 24832), (12416, 18658), (14744, 15712)]