291259484978

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{739}}^1\times {\mathrm{2243}}^1$

素因数の和:3172

約数の個数: 96

約数和(自身を含む): 558824935680

約数和(自身を除く): 267565450702

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 163, 326, 539, 739, 1078, 1141, 1478, 1793, 2243, 2282, 3586, 4486, 5173, 7987, 8129, 10346, 12551, 15701, 15974, 16258, 24673, 25102, 31402, 36211, 49346, 56903, 72422, 87857, 109907, 113806, 120457, 172711, 175714, 219814, 240914, 345422, 365609, 398321, 731218, 796642, 843199, 1208977, 1325027, 1657577, 1686398, 2417954, 2559263, 2650054, 3315154, 4021699, 5118526, 5902393, 8043398, 9275189, 11603039, 11804786, 17914841, 18233347, 18550378, 23206078, 28151893, 35829682, 36466694, 56303786, 64926323, 81221273, 127633429, 129852646, 162442546, 197063251, 255266858, 270185051, 394126502, 540370102, 893434003, 1786868006, 1891295357, 2972035561, 3782590714, 5944071122, 13239067499, 20804248927, 26478134998, 41608497854, 145629742489, 291259484978]

約数ペア:

[(1, 291259484978), (2, 145629742489), (7, 41608497854), (11, 26478134998), (14, 20804248927), (22, 13239067499), (49, 5944071122), (77, 3782590714), (98, 2972035561), (154, 1891295357), (163, 1786868006), (326, 893434003), (539, 540370102), (739, 394126502), (1078, 270185051), (1141, 255266858), (1478, 197063251), (1793, 162442546), (2243, 129852646), (2282, 127633429), (3586, 81221273), (4486, 64926323), (5173, 56303786), (7987, 36466694), (8129, 35829682), (10346, 28151893), (12551, 23206078), (15701, 18550378), (15974, 18233347), (16258, 17914841), (24673, 11804786), (25102, 11603039), (31402, 9275189), (36211, 8043398), (49346, 5902393), (56903, 5118526), (72422, 4021699), (87857, 3315154), (109907, 2650054), (113806, 2559263), (120457, 2417954), (172711, 1686398), (175714, 1657577), (219814, 1325027), (240914, 1208977), (345422, 843199), (365609, 796642), (398321, 731218)]