28985970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74323}}^1$

素因数の和:74346

約数の個数: 32

約数和(自身を含む): 74918592

約数和(自身を除く): 45932622

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 74323, 148646, 222969, 371615, 445938, 743230, 966199, 1114845, 1932398, 2229690, 2898597, 4830995, 5797194, 9661990, 14492985, 28985970]

約数ペア:

[(1, 28985970), (2, 14492985), (3, 9661990), (5, 5797194), (6, 4830995), (10, 2898597), (13, 2229690), (15, 1932398), (26, 1114845), (30, 966199), (39, 743230), (65, 445938), (78, 371615), (130, 222969), (195, 148646), (390, 74323)]