81397992

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{823}}^1$

素因数の和:1162

約数の個数: 64

約数和(自身を含む): 220106880

約数和(自身を除く): 138708888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 317, 634, 823, 951, 1268, 1646, 1902, 2469, 2536, 3292, 3804, 4121, 4938, 6584, 7608, 8242, 9876, 10699, 12363, 16484, 19752, 21398, 24726, 32097, 32968, 42796, 49452, 64194, 85592, 98904, 128388, 256776, 260891, 521782, 782673, 1043564, 1565346, 2087128, 3130692, 3391583, 6261384, 6783166, 10174749, 13566332, 20349498, 27132664, 40698996, 81397992]

約数ペア:

[(1, 81397992), (2, 40698996), (3, 27132664), (4, 20349498), (6, 13566332), (8, 10174749), (12, 6783166), (13, 6261384), (24, 3391583), (26, 3130692), (39, 2087128), (52, 1565346), (78, 1043564), (104, 782673), (156, 521782), (312, 260891), (317, 256776), (634, 128388), (823, 98904), (951, 85592), (1268, 64194), (1646, 49452), (1902, 42796), (2469, 32968), (2536, 32097), (3292, 24726), (3804, 21398), (4121, 19752), (4938, 16484), (6584, 12363), (7608, 10699), (8242, 9876)]