318304588

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 668915520

約数和(自身を除く): 350610932

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 79, 98, 122, 158, 196, 244, 316, 337, 427, 553, 674, 854, 1106, 1348, 1708, 2212, 2359, 2989, 3871, 4718, 4819, 5978, 7742, 9436, 9638, 11956, 15484, 16513, 19276, 20557, 26623, 33026, 33733, 41114, 53246, 66052, 67466, 82228, 106492, 134932, 143899, 186361, 236131, 287798, 372722, 472262, 575596, 745444, 944524, 1007293, 1304527, 1624003, 2014586, 2609054, 3248006, 4029172, 5218108, 6496012, 11368021, 22736042, 45472084, 79576147, 159152294, 318304588]

約数ペア:

[(1, 318304588), (2, 159152294), (4, 79576147), (7, 45472084), (14, 22736042), (28, 11368021), (49, 6496012), (61, 5218108), (79, 4029172), (98, 3248006), (122, 2609054), (158, 2014586), (196, 1624003), (244, 1304527), (316, 1007293), (337, 944524), (427, 745444), (553, 575596), (674, 472262), (854, 372722), (1106, 287798), (1348, 236131), (1708, 186361), (2212, 143899), (2359, 134932), (2989, 106492), (3871, 82228), (4718, 67466), (4819, 66052), (5978, 53246), (7742, 41114), (9436, 33733), (9638, 33026), (11956, 26623), (15484, 20557), (16513, 19276)]