28278344822

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1063}}^1$

素因数の和:1275

約数の個数: 128

約数和(自身を含む): 56485632000

約数和(自身を除く): 28207287178

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 133, 157, 182, 247, 266, 314, 343, 494, 637, 686, 931, 1063, 1099, 1274, 1729, 1862, 2041, 2126, 2198, 2983, 3458, 4082, 4459, 5966, 6517, 7441, 7693, 8918, 12103, 13034, 13819, 14287, 14882, 15386, 20197, 20881, 24206, 27638, 28574, 38779, 40394, 41762, 52087, 53851, 77558, 84721, 96733, 100009, 104174, 107702, 141379, 146167, 166891, 169442, 193466, 200018, 262561, 271453, 282758, 292334, 333782, 364609, 525122, 542906, 677131, 700063, 729218, 989653, 1023169, 1168237, 1354262, 1400126, 1837927, 1900171, 1979306, 2046338, 2169583, 2336474, 3170929, 3675854, 3800342, 4339166, 4739917, 6341858, 6927571, 8177659, 9479834, 12865489, 13301197, 13855142, 15187081, 16355318, 22196503, 25730978, 26602394, 30374162, 41222077, 44393006, 57243613, 82444154, 90058423, 106309567, 114487226, 155375521, 180116846, 212619134, 288554539, 310751042, 577109078, 744166969, 1087628647, 1488333938, 2019881773, 2175257294, 4039763546, 14139172411, 28278344822]

約数ペア:

[(1, 28278344822), (2, 14139172411), (7, 4039763546), (13, 2175257294), (14, 2019881773), (19, 1488333938), (26, 1087628647), (38, 744166969), (49, 577109078), (91, 310751042), (98, 288554539), (133, 212619134), (157, 180116846), (182, 155375521), (247, 114487226), (266, 106309567), (314, 90058423), (343, 82444154), (494, 57243613), (637, 44393006), (686, 41222077), (931, 30374162), (1063, 26602394), (1099, 25730978), (1274, 22196503), (1729, 16355318), (1862, 15187081), (2041, 13855142), (2126, 13301197), (2198, 12865489), (2983, 9479834), (3458, 8177659), (4082, 6927571), (4459, 6341858), (5966, 4739917), (6517, 4339166), (7441, 3800342), (7693, 3675854), (8918, 3170929), (12103, 2336474), (13034, 2169583), (13819, 2046338), (14287, 1979306), (14882, 1900171), (15386, 1837927), (20197, 1400126), (20881, 1354262), (24206, 1168237), (27638, 1023169), (28574, 989653), (38779, 729218), (40394, 700063), (41762, 677131), (52087, 542906), (53851, 525122), (77558, 364609), (84721, 333782), (96733, 292334), (100009, 282758), (104174, 271453), (107702, 262561), (141379, 200018), (146167, 193466), (166891, 169442)]