215613972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1949}}^1$

素因数の和:2405

約数の個数: 72

約数和(自身を含む): 624624000

約数和(自身を除く): 409010028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 439, 878, 1317, 1756, 1949, 2634, 3073, 3898, 3951, 5268, 5847, 6146, 7796, 7902, 9219, 11694, 12292, 13643, 15804, 17541, 18438, 23388, 27286, 27657, 35082, 36876, 40929, 54572, 55314, 70164, 81858, 110628, 122787, 163716, 245574, 491148, 855611, 1711222, 2566833, 3422444, 5133666, 5989277, 7700499, 10267332, 11978554, 15400998, 17967831, 23957108, 30801996, 35935662, 53903493, 71871324, 107806986, 215613972]

約数ペア:

[(1, 215613972), (2, 107806986), (3, 71871324), (4, 53903493), (6, 35935662), (7, 30801996), (9, 23957108), (12, 17967831), (14, 15400998), (18, 11978554), (21, 10267332), (28, 7700499), (36, 5989277), (42, 5133666), (63, 3422444), (84, 2566833), (126, 1711222), (252, 855611), (439, 491148), (878, 245574), (1317, 163716), (1756, 122787), (1949, 110628), (2634, 81858), (3073, 70164), (3898, 55314), (3951, 54572), (5268, 40929), (5847, 36876), (6146, 35082), (7796, 27657), (7902, 27286), (9219, 23388), (11694, 18438), (12292, 17541), (13643, 15804)]