81366448

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:709

約数の個数: 40

約数和(自身を含む): 161708400

約数和(自身を除く): 80341952

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 229, 419, 424, 458, 838, 848, 916, 1676, 1832, 3352, 3664, 6704, 12137, 22207, 24274, 44414, 48548, 88828, 95951, 97096, 177656, 191902, 194192, 355312, 383804, 767608, 1535216, 5085403, 10170806, 20341612, 40683224, 81366448]

約数ペア:

[(1, 81366448), (2, 40683224), (4, 20341612), (8, 10170806), (16, 5085403), (53, 1535216), (106, 767608), (212, 383804), (229, 355312), (419, 194192), (424, 191902), (458, 177656), (838, 97096), (848, 95951), (916, 88828), (1676, 48548), (1832, 44414), (3352, 24274), (3664, 22207), (6704, 12137)]