199295512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 412876800

約数和(自身を除く): 213581288

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 127, 158, 191, 254, 316, 382, 508, 632, 764, 1016, 1027, 1528, 1651, 2054, 2483, 3302, 4108, 4966, 6604, 8216, 9932, 10033, 13208, 15089, 19864, 20066, 24257, 30178, 40132, 48514, 60356, 80264, 97028, 120712, 130429, 194056, 196157, 260858, 315341, 392314, 521716, 630682, 784628, 1043432, 1261364, 1569256, 1916303, 2522728, 3832606, 7665212, 15330424, 24911939, 49823878, 99647756, 199295512]

約数ペア:

[(1, 199295512), (2, 99647756), (4, 49823878), (8, 24911939), (13, 15330424), (26, 7665212), (52, 3832606), (79, 2522728), (104, 1916303), (127, 1569256), (158, 1261364), (191, 1043432), (254, 784628), (316, 630682), (382, 521716), (508, 392314), (632, 315341), (764, 260858), (1016, 196157), (1027, 194056), (1528, 130429), (1651, 120712), (2054, 97028), (2483, 80264), (3302, 60356), (4108, 48514), (4966, 40132), (6604, 30178), (8216, 24257), (9932, 20066), (10033, 19864), (13208, 15089)]