668566832

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1163}}^1$

素因数の和:1282

約数の個数: 80

約数和(自身を含む): 1431813120

約数和(自身を除く): 763246288

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 61, 62, 76, 122, 124, 152, 244, 248, 304, 488, 496, 589, 976, 1159, 1163, 1178, 1891, 2318, 2326, 2356, 3782, 4636, 4652, 4712, 7564, 9272, 9304, 9424, 15128, 18544, 18608, 22097, 30256, 35929, 36053, 44194, 70943, 71858, 72106, 88388, 141886, 143716, 144212, 176776, 283772, 287432, 288424, 353552, 567544, 574864, 576848, 685007, 1135088, 1347917, 1370014, 2199233, 2695834, 2740028, 4398466, 5391668, 5480056, 8796932, 10783336, 10960112, 17593864, 21566672, 35187728, 41785427, 83570854, 167141708, 334283416, 668566832]

約数ペア:

[(1, 668566832), (2, 334283416), (4, 167141708), (8, 83570854), (16, 41785427), (19, 35187728), (31, 21566672), (38, 17593864), (61, 10960112), (62, 10783336), (76, 8796932), (122, 5480056), (124, 5391668), (152, 4398466), (244, 2740028), (248, 2695834), (304, 2199233), (488, 1370014), (496, 1347917), (589, 1135088), (976, 685007), (1159, 576848), (1163, 574864), (1178, 567544), (1891, 353552), (2318, 288424), (2326, 287432), (2356, 283772), (3782, 176776), (4636, 144212), (4652, 143716), (4712, 141886), (7564, 88388), (9272, 72106), (9304, 71858), (9424, 70943), (15128, 44194), (18544, 36053), (18608, 35929), (22097, 30256)]