28990130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{829}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 56473200

約数和(自身を除く): 27483070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 269, 538, 829, 1345, 1658, 2690, 3497, 4145, 6994, 8290, 10777, 17485, 21554, 34970, 53885, 107770, 223001, 446002, 1115005, 2230010, 2899013, 5798026, 14495065, 28990130]

約数ペア:

[(1, 28990130), (2, 14495065), (5, 5798026), (10, 2899013), (13, 2230010), (26, 1115005), (65, 446002), (130, 223001), (269, 107770), (538, 53885), (829, 34970), (1345, 21554), (1658, 17485), (2690, 10777), (3497, 8290), (4145, 6994)]