989780328

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{193619}}^1$

素因数の和:193702

約数の個数: 48

約数和(自身を含む): 2718424800

約数和(自身を除く): 1728644472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 5112, 193619, 387238, 580857, 774476, 1161714, 1548952, 1742571, 2323428, 3485142, 4646856, 6970284, 13746949, 13940568, 27493898, 41240847, 54987796, 82481694, 109975592, 123722541, 164963388, 247445082, 329926776, 494890164, 989780328]

約数ペア:

[(1, 989780328), (2, 494890164), (3, 329926776), (4, 247445082), (6, 164963388), (8, 123722541), (9, 109975592), (12, 82481694), (18, 54987796), (24, 41240847), (36, 27493898), (71, 13940568), (72, 13746949), (142, 6970284), (213, 4646856), (284, 3485142), (426, 2323428), (568, 1742571), (639, 1548952), (852, 1161714), (1278, 774476), (1704, 580857), (2556, 387238), (5112, 193619)]