128663192

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 282624000

約数和(自身を除く): 153960808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 127, 158, 229, 254, 316, 458, 508, 553, 632, 889, 916, 1016, 1106, 1603, 1778, 1832, 2212, 3206, 3556, 4424, 6412, 7112, 10033, 12824, 18091, 20066, 29083, 36182, 40132, 58166, 70231, 72364, 80264, 116332, 126637, 140462, 144728, 203581, 232664, 253274, 280924, 407162, 506548, 561848, 814324, 1013096, 1628648, 2297557, 4595114, 9190228, 16082899, 18380456, 32165798, 64331596, 128663192]

約数ペア:

[(1, 128663192), (2, 64331596), (4, 32165798), (7, 18380456), (8, 16082899), (14, 9190228), (28, 4595114), (56, 2297557), (79, 1628648), (127, 1013096), (158, 814324), (229, 561848), (254, 506548), (316, 407162), (458, 280924), (508, 253274), (553, 232664), (632, 203581), (889, 144728), (916, 140462), (1016, 126637), (1106, 116332), (1603, 80264), (1778, 72364), (1832, 70231), (2212, 58166), (3206, 40132), (3556, 36182), (4424, 29083), (6412, 20066), (7112, 18091), (10033, 12824)]