25555684

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 59286080

約数和(自身を除く): 33730396

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 121, 133, 154, 209, 242, 266, 308, 397, 418, 484, 532, 794, 836, 847, 1463, 1588, 1694, 2299, 2779, 2926, 3388, 4367, 4598, 5558, 5852, 7543, 8734, 9196, 11116, 15086, 16093, 17468, 30172, 30569, 32186, 48037, 52801, 61138, 64372, 82973, 96074, 105602, 122276, 165946, 192148, 211204, 331892, 336259, 580811, 672518, 912703, 1161622, 1345036, 1825406, 2323244, 3650812, 6388921, 12777842, 25555684]

約数ペア:

[(1, 25555684), (2, 12777842), (4, 6388921), (7, 3650812), (11, 2323244), (14, 1825406), (19, 1345036), (22, 1161622), (28, 912703), (38, 672518), (44, 580811), (76, 336259), (77, 331892), (121, 211204), (133, 192148), (154, 165946), (209, 122276), (242, 105602), (266, 96074), (308, 82973), (397, 64372), (418, 61138), (484, 52801), (532, 48037), (794, 32186), (836, 30569), (847, 30172), (1463, 17468), (1588, 16093), (1694, 15086), (2299, 11116), (2779, 9196), (2926, 8734), (3388, 7543), (4367, 5852), (4598, 5558)]