28735430

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 53071200

約数和(自身を除く): 24335770

約数列:

[1, 2, 5, 10, 83, 89, 166, 178, 389, 415, 445, 778, 830, 890, 1945, 3890, 7387, 14774, 32287, 34621, 36935, 64574, 69242, 73870, 161435, 173105, 322870, 346210, 2873543, 5747086, 14367715, 28735430]

約数ペア:

[(1, 28735430), (2, 14367715), (5, 5747086), (10, 2873543), (83, 346210), (89, 322870), (166, 173105), (178, 161435), (389, 73870), (415, 69242), (445, 64574), (778, 36935), (830, 34621), (890, 32287), (1945, 14774), (3890, 7387)]