7861370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 15944040

約数和(自身を除く): 8082670

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 89, 110, 121, 146, 178, 242, 365, 445, 605, 730, 803, 890, 979, 1210, 1606, 1958, 4015, 4895, 6497, 8030, 8833, 9790, 10769, 12994, 17666, 21538, 32485, 44165, 53845, 64970, 71467, 88330, 107690, 142934, 357335, 714670, 786137, 1572274, 3930685, 7861370]

約数ペア:

[(1, 7861370), (2, 3930685), (5, 1572274), (10, 786137), (11, 714670), (22, 357335), (55, 142934), (73, 107690), (89, 88330), (110, 71467), (121, 64970), (146, 53845), (178, 44165), (242, 32485), (365, 21538), (445, 17666), (605, 12994), (730, 10769), (803, 9790), (890, 8833), (979, 8030), (1210, 6497), (1606, 4895), (1958, 4015)]