78871390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{8311}}^1$

素因数の和:8404

約数の個数: 32

約数和(自身を含む): 155002176

約数和(自身を除く): 76130786

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4745, 8311, 9490, 16622, 41555, 83110, 108043, 216086, 540215, 606703, 1080430, 1213406, 3033515, 6067030, 7887139, 15774278, 39435695, 78871390]

約数ペア:

[(1, 78871390), (2, 39435695), (5, 15774278), (10, 7887139), (13, 6067030), (26, 3033515), (65, 1213406), (73, 1080430), (130, 606703), (146, 540215), (365, 216086), (730, 108043), (949, 83110), (1898, 41555), (4745, 16622), (8311, 9490)]