287899976

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12757}}^1$

素因数の和:12814

約数の個数: 64

約数和(自身を含む): 685870080

約数和(自身を除く): 397970104

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 1612, 1736, 2821, 3224, 5642, 11284, 12757, 22568, 25514, 51028, 89299, 102056, 165841, 178598, 331682, 357196, 395467, 663364, 714392, 790934, 1160887, 1326728, 1581868, 2321774, 2768269, 3163736, 4643548, 5141071, 5536538, 9287096, 10282142, 11073076, 20564284, 22146152, 35987497, 41128568, 71974994, 143949988, 287899976]

約数ペア:

[(1, 287899976), (2, 143949988), (4, 71974994), (7, 41128568), (8, 35987497), (13, 22146152), (14, 20564284), (26, 11073076), (28, 10282142), (31, 9287096), (52, 5536538), (56, 5141071), (62, 4643548), (91, 3163736), (104, 2768269), (124, 2321774), (182, 1581868), (217, 1326728), (248, 1160887), (364, 790934), (403, 714392), (434, 663364), (728, 395467), (806, 357196), (868, 331682), (1612, 178598), (1736, 165841), (2821, 102056), (3224, 89299), (5642, 51028), (11284, 25514), (12757, 22568)]