28305381885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{128693}}^1$

素因数の和:128786

約数の個数: 64

約数和(自身を含む): 52185931776

約数和(自身を除く): 23880549891

約数列:

[1, 3, 5, 11, 15, 31, 33, 43, 55, 93, 129, 155, 165, 215, 341, 465, 473, 645, 1023, 1333, 1419, 1705, 2365, 3999, 5115, 6665, 7095, 14663, 19995, 43989, 73315, 128693, 219945, 386079, 643465, 1415623, 1930395, 3989483, 4246869, 5533799, 7078115, 11968449, 16601397, 19947415, 21234345, 27668995, 43884313, 59842245, 60871789, 83006985, 131652939, 171547769, 182615367, 219421565, 304358945, 514643307, 658264695, 857738845, 913076835, 1887025459, 2573216535, 5661076377, 9435127295, 28305381885]

約数ペア:

[(1, 28305381885), (3, 9435127295), (5, 5661076377), (11, 2573216535), (15, 1887025459), (31, 913076835), (33, 857738845), (43, 658264695), (55, 514643307), (93, 304358945), (129, 219421565), (155, 182615367), (165, 171547769), (215, 131652939), (341, 83006985), (465, 60871789), (473, 59842245), (645, 43884313), (1023, 27668995), (1333, 21234345), (1419, 19947415), (1705, 16601397), (2365, 11968449), (3999, 7078115), (5115, 5533799), (6665, 4246869), (7095, 3989483), (14663, 1930395), (19995, 1415623), (43989, 643465), (73315, 386079), (128693, 219945)]