81389178

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{431}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 195955200

約数和(自身を除く): 114566022

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 269, 351, 431, 538, 702, 807, 862, 1293, 1614, 2421, 2586, 3497, 3879, 4842, 5603, 6994, 7263, 7758, 10491, 11206, 11637, 14526, 16809, 20982, 23274, 31473, 33618, 50427, 62946, 94419, 100854, 115939, 151281, 188838, 231878, 302562, 347817, 695634, 1043451, 1507207, 2086902, 3014414, 3130353, 4521621, 6260706, 9043242, 13564863, 27129726, 40694589, 81389178]

約数ペア:

[(1, 81389178), (2, 40694589), (3, 27129726), (6, 13564863), (9, 9043242), (13, 6260706), (18, 4521621), (26, 3130353), (27, 3014414), (39, 2086902), (54, 1507207), (78, 1043451), (117, 695634), (234, 347817), (269, 302562), (351, 231878), (431, 188838), (538, 151281), (702, 115939), (807, 100854), (862, 94419), (1293, 62946), (1614, 50427), (2421, 33618), (2586, 31473), (3497, 23274), (3879, 20982), (4842, 16809), (5603, 14526), (6994, 11637), (7263, 11206), (7758, 10491)]