248758839

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 441754560

約数和(自身を除く): 192995721

約数列:

[1, 3, 7, 9, 21, 29, 49, 53, 63, 87, 147, 159, 203, 261, 367, 371, 441, 477, 609, 1101, 1113, 1421, 1537, 1827, 2569, 2597, 3303, 3339, 4263, 4611, 7707, 7791, 10643, 10759, 12789, 13833, 17983, 19451, 23121, 23373, 31929, 32277, 53949, 58353, 74501, 75313, 95787, 96831, 136157, 161847, 175059, 223503, 225939, 408471, 521507, 564079, 670509, 677817, 953099, 1225413, 1564521, 1692237, 2859297, 3948553, 4693563, 5076711, 8577891, 11845659, 27639871, 35536977, 82919613, 248758839]

約数ペア:

[(1, 248758839), (3, 82919613), (7, 35536977), (9, 27639871), (21, 11845659), (29, 8577891), (49, 5076711), (53, 4693563), (63, 3948553), (87, 2859297), (147, 1692237), (159, 1564521), (203, 1225413), (261, 953099), (367, 677817), (371, 670509), (441, 564079), (477, 521507), (609, 408471), (1101, 225939), (1113, 223503), (1421, 175059), (1537, 161847), (1827, 136157), (2569, 96831), (2597, 95787), (3303, 75313), (3339, 74501), (4263, 58353), (4611, 53949), (7707, 32277), (7791, 31929), (10643, 23373), (10759, 23121), (12789, 19451), (13833, 17983)]