81078438

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{1307}}^1$

素因数の和:1537

約数の個数: 48

約数和(自身を含む): 189670464

約数和(自身を除く): 108592026

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 211, 294, 422, 633, 1266, 1307, 1477, 2614, 2954, 3921, 4431, 7842, 8862, 9149, 10339, 18298, 20678, 27447, 31017, 54894, 62034, 64043, 128086, 192129, 275777, 384258, 551554, 827331, 1654662, 1930439, 3860878, 5791317, 11582634, 13513073, 27026146, 40539219, 81078438]

約数ペア:

[(1, 81078438), (2, 40539219), (3, 27026146), (6, 13513073), (7, 11582634), (14, 5791317), (21, 3860878), (42, 1930439), (49, 1654662), (98, 827331), (147, 551554), (211, 384258), (294, 275777), (422, 192129), (633, 128086), (1266, 64043), (1307, 62034), (1477, 54894), (2614, 31017), (2954, 27447), (3921, 20678), (4431, 18298), (7842, 10339), (8862, 9149)]