638861412

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{23117}}^1$

素因数の和:23185

約数の個数: 72

約数和(自身を含む): 1771023744

約数和(自身を除く): 1132162332

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 282, 294, 329, 564, 588, 658, 987, 1316, 1974, 2303, 3948, 4606, 6909, 9212, 13818, 23117, 27636, 46234, 69351, 92468, 138702, 161819, 277404, 323638, 485457, 647276, 970914, 1086499, 1132733, 1941828, 2172998, 2265466, 3259497, 3398199, 4345996, 4530932, 6518994, 6796398, 7605493, 13037988, 13592796, 15210986, 22816479, 30421972, 45632958, 53238451, 91265916, 106476902, 159715353, 212953804, 319430706, 638861412]

約数ペア:

[(1, 638861412), (2, 319430706), (3, 212953804), (4, 159715353), (6, 106476902), (7, 91265916), (12, 53238451), (14, 45632958), (21, 30421972), (28, 22816479), (42, 15210986), (47, 13592796), (49, 13037988), (84, 7605493), (94, 6796398), (98, 6518994), (141, 4530932), (147, 4345996), (188, 3398199), (196, 3259497), (282, 2265466), (294, 2172998), (329, 1941828), (564, 1132733), (588, 1086499), (658, 970914), (987, 647276), (1316, 485457), (1974, 323638), (2303, 277404), (3948, 161819), (4606, 138702), (6909, 92468), (9212, 69351), (13818, 46234), (23117, 27636)]