87908912

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:550

約数の個数: 80

約数和(自身を含む): 211444800

約数和(自身を除く): 123535888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 173, 182, 208, 346, 349, 364, 692, 698, 728, 1211, 1384, 1396, 1456, 2249, 2422, 2443, 2768, 2792, 4498, 4537, 4844, 4886, 5584, 8996, 9074, 9688, 9772, 15743, 17992, 18148, 19376, 19544, 31486, 31759, 35984, 36296, 39088, 60377, 62972, 63518, 72592, 120754, 125944, 127036, 241508, 251888, 254072, 422639, 483016, 508144, 784901, 845278, 966032, 1569802, 1690556, 3139604, 3381112, 5494307, 6279208, 6762224, 10988614, 12558416, 21977228, 43954456, 87908912]

約数ペア:

[(1, 87908912), (2, 43954456), (4, 21977228), (7, 12558416), (8, 10988614), (13, 6762224), (14, 6279208), (16, 5494307), (26, 3381112), (28, 3139604), (52, 1690556), (56, 1569802), (91, 966032), (104, 845278), (112, 784901), (173, 508144), (182, 483016), (208, 422639), (346, 254072), (349, 251888), (364, 241508), (692, 127036), (698, 125944), (728, 120754), (1211, 72592), (1384, 63518), (1396, 62972), (1456, 60377), (2249, 39088), (2422, 36296), (2443, 35984), (2768, 31759), (2792, 31486), (4498, 19544), (4537, 19376), (4844, 18148), (4886, 17992), (5584, 15743), (8996, 9772), (9074, 9688)]