321520486

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1\times {\mathrm{313}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 557061120

約数和(自身を除く): 235540634

約数列:

[1, 2, 7, 14, 239, 307, 313, 478, 614, 626, 1673, 2149, 2191, 3346, 4298, 4382, 73373, 74807, 96091, 146746, 149614, 192182, 513611, 523649, 672637, 1027222, 1047298, 1345274, 22965749, 45931498, 160760243, 321520486]

約数ペア:

[(1, 321520486), (2, 160760243), (7, 45931498), (14, 22965749), (239, 1345274), (307, 1047298), (313, 1027222), (478, 672637), (614, 523649), (626, 513611), (1673, 192182), (2149, 149614), (2191, 146746), (3346, 96091), (4298, 74807), (4382, 73373)]