81195816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13697}}^1$

素因数の和:13738

約数の個数: 64

約数和(自身を含む): 230126400

約数和(自身を除く): 148930584

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 228, 247, 312, 456, 494, 741, 988, 1482, 1976, 2964, 5928, 13697, 27394, 41091, 54788, 82182, 109576, 164364, 178061, 260243, 328728, 356122, 520486, 534183, 712244, 780729, 1040972, 1068366, 1424488, 1561458, 2081944, 2136732, 3122916, 3383159, 4273464, 6245832, 6766318, 10149477, 13532636, 20298954, 27065272, 40597908, 81195816]

約数ペア:

[(1, 81195816), (2, 40597908), (3, 27065272), (4, 20298954), (6, 13532636), (8, 10149477), (12, 6766318), (13, 6245832), (19, 4273464), (24, 3383159), (26, 3122916), (38, 2136732), (39, 2081944), (52, 1561458), (57, 1424488), (76, 1068366), (78, 1040972), (104, 780729), (114, 712244), (152, 534183), (156, 520486), (228, 356122), (247, 328728), (312, 260243), (456, 178061), (494, 164364), (741, 109576), (988, 82182), (1482, 54788), (1976, 41091), (2964, 27394), (5928, 13697)]