189371728

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1151}}^1$

素因数の和:1292

約数の個数: 80

約数和(自身を含む): 455970816

約数和(自身を除く): 266599088

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 113, 182, 208, 226, 364, 452, 728, 791, 904, 1151, 1456, 1469, 1582, 1808, 2302, 2938, 3164, 4604, 5876, 6328, 8057, 9208, 10283, 11752, 12656, 14963, 16114, 18416, 20566, 23504, 29926, 32228, 41132, 59852, 64456, 82264, 104741, 119704, 128912, 130063, 164528, 209482, 239408, 260126, 418964, 520252, 837928, 910441, 1040504, 1675856, 1690819, 1820882, 2081008, 3381638, 3641764, 6763276, 7283528, 11835733, 13526552, 14567056, 23671466, 27053104, 47342932, 94685864, 189371728]

約数ペア:

[(1, 189371728), (2, 94685864), (4, 47342932), (7, 27053104), (8, 23671466), (13, 14567056), (14, 13526552), (16, 11835733), (26, 7283528), (28, 6763276), (52, 3641764), (56, 3381638), (91, 2081008), (104, 1820882), (112, 1690819), (113, 1675856), (182, 1040504), (208, 910441), (226, 837928), (364, 520252), (452, 418964), (728, 260126), (791, 239408), (904, 209482), (1151, 164528), (1456, 130063), (1469, 128912), (1582, 119704), (1808, 104741), (2302, 82264), (2938, 64456), (3164, 59852), (4604, 41132), (5876, 32228), (6328, 29926), (8057, 23504), (9208, 20566), (10283, 18416), (11752, 16114), (12656, 14963)]