28806986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 48081600

約数和(自身を除く): 19274614

約数列:

[1, 2, 13, 26, 59, 89, 118, 178, 211, 422, 767, 1157, 1534, 2314, 2743, 5251, 5486, 10502, 12449, 18779, 24898, 37558, 68263, 136526, 161837, 244127, 323674, 488254, 1107961, 2215922, 14403493, 28806986]

約数ペア:

[(1, 28806986), (2, 14403493), (13, 2215922), (26, 1107961), (59, 488254), (89, 323674), (118, 244127), (178, 161837), (211, 136526), (422, 68263), (767, 37558), (1157, 24898), (1534, 18779), (2314, 12449), (2743, 10502), (5251, 5486)]