49493990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 110726784

約数和(自身を除く): 61232794

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 137, 182, 274, 397, 455, 685, 794, 910, 959, 1370, 1781, 1918, 1985, 2779, 3562, 3970, 4795, 5161, 5558, 8905, 9590, 10322, 12467, 13895, 17810, 24934, 25805, 27790, 36127, 51610, 54389, 62335, 72254, 108778, 124670, 180635, 271945, 361270, 380723, 543890, 707057, 761446, 1414114, 1903615, 3535285, 3807230, 4949399, 7070570, 9898798, 24746995, 49493990]

約数ペア:

[(1, 49493990), (2, 24746995), (5, 9898798), (7, 7070570), (10, 4949399), (13, 3807230), (14, 3535285), (26, 1903615), (35, 1414114), (65, 761446), (70, 707057), (91, 543890), (130, 380723), (137, 361270), (182, 271945), (274, 180635), (397, 124670), (455, 108778), (685, 72254), (794, 62335), (910, 54389), (959, 51610), (1370, 36127), (1781, 27790), (1918, 25805), (1985, 24934), (2779, 17810), (3562, 13895), (3970, 12467), (4795, 10322), (5161, 9590), (5558, 8905)]