2891083928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{3929}}^1$

素因数の和:4104

約数の個数: 64

約数和(自身を含む): 5885568000

約数和(自身を除く): 2994484072

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 103, 152, 188, 206, 376, 412, 824, 893, 1786, 1957, 3572, 3914, 3929, 4841, 7144, 7828, 7858, 9682, 15656, 15716, 19364, 31432, 38728, 74651, 91979, 149302, 183958, 184663, 298604, 367916, 369326, 404687, 597208, 735832, 738652, 809374, 1477304, 1618748, 3237496, 3508597, 7017194, 7689053, 14034388, 15378106, 19020289, 28068776, 30756212, 38040578, 61512424, 76081156, 152162312, 361385491, 722770982, 1445541964, 2891083928]

約数ペア:

[(1, 2891083928), (2, 1445541964), (4, 722770982), (8, 361385491), (19, 152162312), (38, 76081156), (47, 61512424), (76, 38040578), (94, 30756212), (103, 28068776), (152, 19020289), (188, 15378106), (206, 14034388), (376, 7689053), (412, 7017194), (824, 3508597), (893, 3237496), (1786, 1618748), (1957, 1477304), (3572, 809374), (3914, 738652), (3929, 735832), (4841, 597208), (7144, 404687), (7828, 369326), (7858, 367916), (9682, 298604), (15656, 184663), (15716, 183958), (19364, 149302), (31432, 91979), (38728, 74651)]