256521552

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{763457}}^1$

素因数の和:763475

約数の個数: 40

約数和(自身を含む): 757350336

約数和(自身を除く): 500828784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 763457, 1526914, 2290371, 3053828, 4580742, 5344199, 6107656, 9161484, 10688398, 12215312, 16032597, 18322968, 21376796, 32065194, 36645936, 42753592, 64130388, 85507184, 128260776, 256521552]

約数ペア:

[(1, 256521552), (2, 128260776), (3, 85507184), (4, 64130388), (6, 42753592), (7, 36645936), (8, 32065194), (12, 21376796), (14, 18322968), (16, 16032597), (21, 12215312), (24, 10688398), (28, 9161484), (42, 6107656), (48, 5344199), (56, 4580742), (84, 3053828), (112, 2290371), (168, 1526914), (336, 763457)]