647735452

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:611

約数の個数: 96

約数和(自身を含む): 1454100480

約数和(自身を除く): 806365028

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 137, 182, 217, 274, 364, 403, 419, 434, 548, 806, 838, 868, 959, 1612, 1676, 1781, 1918, 2821, 2933, 3562, 3836, 4247, 5447, 5642, 5866, 7124, 8494, 10894, 11284, 11732, 12467, 12989, 16988, 21788, 24934, 25978, 29729, 38129, 49868, 51956, 55211, 57403, 59458, 76258, 90923, 110422, 114806, 118916, 152516, 168857, 181846, 220844, 229612, 337714, 363692, 386477, 401821, 675428, 746239, 772954, 803642, 1181999, 1492478, 1545908, 1607284, 1779493, 2363998, 2984956, 3558986, 4727996, 5223673, 7117972, 10447346, 12456451, 20894692, 23133409, 24912902, 46266818, 49825804, 92533636, 161933863, 323867726, 647735452]

約数ペア:

[(1, 647735452), (2, 323867726), (4, 161933863), (7, 92533636), (13, 49825804), (14, 46266818), (26, 24912902), (28, 23133409), (31, 20894692), (52, 12456451), (62, 10447346), (91, 7117972), (124, 5223673), (137, 4727996), (182, 3558986), (217, 2984956), (274, 2363998), (364, 1779493), (403, 1607284), (419, 1545908), (434, 1492478), (548, 1181999), (806, 803642), (838, 772954), (868, 746239), (959, 675428), (1612, 401821), (1676, 386477), (1781, 363692), (1918, 337714), (2821, 229612), (2933, 220844), (3562, 181846), (3836, 168857), (4247, 152516), (5447, 118916), (5642, 114806), (5866, 110422), (7124, 90923), (8494, 76258), (10894, 59458), (11284, 57403), (11732, 55211), (12467, 51956), (12989, 49868), (16988, 38129), (21788, 29729), (24934, 25978)]