211628764

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 399974400

約数和(自身を除く): 188345636

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 191, 239, 244, 382, 478, 764, 956, 1159, 2318, 3629, 4541, 4636, 7258, 9082, 11651, 14516, 14579, 18164, 23302, 29158, 45649, 46604, 58316, 91298, 182596, 221369, 277001, 442738, 554002, 867331, 885476, 1108004, 1734662, 2784589, 3469324, 5569178, 11138356, 52907191, 105814382, 211628764]

約数ペア:

[(1, 211628764), (2, 105814382), (4, 52907191), (19, 11138356), (38, 5569178), (61, 3469324), (76, 2784589), (122, 1734662), (191, 1108004), (239, 885476), (244, 867331), (382, 554002), (478, 442738), (764, 277001), (956, 221369), (1159, 182596), (2318, 91298), (3629, 58316), (4541, 46604), (4636, 45649), (7258, 29158), (9082, 23302), (11651, 18164), (14516, 14579)]