1215890494

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{215507}}^1$

素因数の和:215560

約数の個数: 32

約数和(自身を含む): 2317142016

約数和(自身を除く): 1101251522

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 215507, 431014, 1508549, 2801591, 3017098, 5603182, 6680717, 13361434, 19611137, 39222274, 46765019, 86849321, 93530038, 173698642, 607945247, 1215890494]

約数ペア:

[(1, 1215890494), (2, 607945247), (7, 173698642), (13, 93530038), (14, 86849321), (26, 46765019), (31, 39222274), (62, 19611137), (91, 13361434), (182, 6680717), (217, 5603182), (403, 3017098), (434, 2801591), (806, 1508549), (2821, 431014), (5642, 215507)]