28217090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 32746750

約数列:

[1, 2, 5, 10, 11, 19, 22, 23, 38, 46, 55, 95, 110, 115, 190, 209, 230, 253, 418, 437, 506, 587, 874, 1045, 1174, 1265, 2090, 2185, 2530, 2935, 4370, 4807, 5870, 6457, 9614, 11153, 12914, 13501, 22306, 24035, 27002, 32285, 48070, 55765, 64570, 67505, 111530, 122683, 135010, 148511, 245366, 256519, 297022, 513038, 613415, 742555, 1226830, 1282595, 1485110, 2565190, 2821709, 5643418, 14108545, 28217090]

約数ペア:

[(1, 28217090), (2, 14108545), (5, 5643418), (10, 2821709), (11, 2565190), (19, 1485110), (22, 1282595), (23, 1226830), (38, 742555), (46, 613415), (55, 513038), (95, 297022), (110, 256519), (115, 245366), (190, 148511), (209, 135010), (230, 122683), (253, 111530), (418, 67505), (437, 64570), (506, 55765), (587, 48070), (874, 32285), (1045, 27002), (1174, 24035), (1265, 22306), (2090, 13501), (2185, 12914), (2530, 11153), (2935, 9614), (4370, 6457), (4807, 5870)]