256130472

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{1301}}^1$

素因数の和:1954

約数の個数: 64

約数和(自身を含む): 691205760

約数和(自身を除く): 435075288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 631, 1262, 1301, 1893, 2524, 2602, 3786, 3903, 5048, 5204, 7572, 7806, 8203, 10408, 15144, 15612, 16406, 16913, 24609, 31224, 32812, 33826, 49218, 50739, 65624, 67652, 98436, 101478, 135304, 196872, 202956, 405912, 820931, 1641862, 2462793, 3283724, 4925586, 6567448, 9851172, 10672103, 19702344, 21344206, 32016309, 42688412, 64032618, 85376824, 128065236, 256130472]

約数ペア:

[(1, 256130472), (2, 128065236), (3, 85376824), (4, 64032618), (6, 42688412), (8, 32016309), (12, 21344206), (13, 19702344), (24, 10672103), (26, 9851172), (39, 6567448), (52, 4925586), (78, 3283724), (104, 2462793), (156, 1641862), (312, 820931), (631, 405912), (1262, 202956), (1301, 196872), (1893, 135304), (2524, 101478), (2602, 98436), (3786, 67652), (3903, 65624), (5048, 50739), (5204, 49218), (7572, 33826), (7806, 32812), (8203, 31224), (10408, 24609), (15144, 16913), (15612, 16406)]