128665796

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{659}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 272025600

約数和(自身を除く): 143359804

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 367, 532, 659, 734, 1318, 1468, 2569, 2636, 4613, 5138, 6973, 9226, 10276, 12521, 13946, 18452, 25042, 27892, 48811, 50084, 87647, 97622, 175294, 195244, 241853, 350588, 483706, 967412, 1692971, 3385942, 4595207, 6771884, 9190414, 18380828, 32166449, 64332898, 128665796]

約数ペア:

[(1, 128665796), (2, 64332898), (4, 32166449), (7, 18380828), (14, 9190414), (19, 6771884), (28, 4595207), (38, 3385942), (76, 1692971), (133, 967412), (266, 483706), (367, 350588), (532, 241853), (659, 195244), (734, 175294), (1318, 97622), (1468, 87647), (2569, 50084), (2636, 48811), (4613, 27892), (5138, 25042), (6973, 18452), (9226, 13946), (10276, 12521)]