287381874

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1363

約数の個数: 64

約数和(自身を含む): 643281408

約数和(自身を除く): 355899534

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 73, 78, 82, 123, 146, 219, 246, 438, 533, 949, 1066, 1231, 1599, 1898, 2462, 2847, 2993, 3198, 3693, 5694, 5986, 7386, 8979, 16003, 17958, 32006, 38909, 48009, 50471, 77818, 89863, 96018, 100942, 116727, 151413, 179726, 233454, 269589, 302826, 539178, 656123, 1168219, 1312246, 1968369, 2336438, 3504657, 3684383, 3936738, 7009314, 7368766, 11053149, 22106298, 47896979, 95793958, 143690937, 287381874]

約数ペア:

[(1, 287381874), (2, 143690937), (3, 95793958), (6, 47896979), (13, 22106298), (26, 11053149), (39, 7368766), (41, 7009314), (73, 3936738), (78, 3684383), (82, 3504657), (123, 2336438), (146, 1968369), (219, 1312246), (246, 1168219), (438, 656123), (533, 539178), (949, 302826), (1066, 269589), (1231, 233454), (1599, 179726), (1898, 151413), (2462, 116727), (2847, 100942), (2993, 96018), (3198, 89863), (3693, 77818), (5694, 50471), (5986, 48009), (7386, 38909), (8979, 32006), (16003, 17958)]