28906212495

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{6689}}^1$

素因数の和:7032

約数の個数: 64

約数和(自身を含む): 49709376000

約数和(自身を除く): 20803163505

約数列:

[1, 3, 5, 15, 19, 57, 59, 95, 177, 257, 285, 295, 771, 885, 1121, 1285, 3363, 3855, 4883, 5605, 6689, 14649, 15163, 16815, 20067, 24415, 33445, 45489, 73245, 75815, 100335, 127091, 227445, 288097, 381273, 394651, 635455, 864291, 1183953, 1440485, 1719073, 1906365, 1973255, 4321455, 5157219, 5919765, 7498369, 8595365, 22495107, 25786095, 32662387, 37491845, 97987161, 101425307, 112475535, 163311935, 304275921, 489935805, 507126535, 1521379605, 1927080833, 5781242499, 9635404165, 28906212495]

約数ペア:

[(1, 28906212495), (3, 9635404165), (5, 5781242499), (15, 1927080833), (19, 1521379605), (57, 507126535), (59, 489935805), (95, 304275921), (177, 163311935), (257, 112475535), (285, 101425307), (295, 97987161), (771, 37491845), (885, 32662387), (1121, 25786095), (1285, 22495107), (3363, 8595365), (3855, 7498369), (4883, 5919765), (5605, 5157219), (6689, 4321455), (14649, 1973255), (15163, 1906365), (16815, 1719073), (20067, 1440485), (24415, 1183953), (33445, 864291), (45489, 635455), (73245, 394651), (75815, 381273), (100335, 288097), (127091, 227445)]