819973462

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3947}}^1$

素因数の和:4057

約数の個数: 64

約数和(自身を含む): 1637314560

約数和(自身を除く): 817341098

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 71, 77, 133, 142, 154, 209, 266, 418, 497, 781, 994, 1349, 1463, 1562, 2698, 2926, 3947, 5467, 7894, 9443, 10934, 14839, 18886, 27629, 29678, 43417, 55258, 74993, 86834, 103873, 149986, 207746, 280237, 303919, 524951, 560474, 607838, 824923, 1049902, 1649846, 1961659, 3082607, 3923318, 5324503, 5774461, 6165214, 10649006, 11548922, 21578249, 37271521, 43156498, 58569533, 74543042, 117139066, 409986731, 819973462]

約数ペア:

[(1, 819973462), (2, 409986731), (7, 117139066), (11, 74543042), (14, 58569533), (19, 43156498), (22, 37271521), (38, 21578249), (71, 11548922), (77, 10649006), (133, 6165214), (142, 5774461), (154, 5324503), (209, 3923318), (266, 3082607), (418, 1961659), (497, 1649846), (781, 1049902), (994, 824923), (1349, 607838), (1463, 560474), (1562, 524951), (2698, 303919), (2926, 280237), (3947, 207746), (5467, 149986), (7894, 103873), (9443, 86834), (10934, 74993), (14839, 55258), (18886, 43417), (27629, 29678)]