28790970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73823}}^1$

素因数の和:73846

約数の個数: 32

約数和(自身を含む): 74414592

約数和(自身を除く): 45623622

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 73823, 147646, 221469, 369115, 442938, 738230, 959699, 1107345, 1919398, 2214690, 2879097, 4798495, 5758194, 9596990, 14395485, 28790970]

約数ペア:

[(1, 28790970), (2, 14395485), (3, 9596990), (5, 5758194), (6, 4798495), (10, 2879097), (13, 2214690), (15, 1919398), (26, 1107345), (30, 959699), (39, 738230), (65, 442938), (78, 369115), (130, 221469), (195, 147646), (390, 73823)]