64978030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 131580288

約数和(自身を除く): 66602258

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 73, 82, 130, 146, 167, 205, 334, 365, 410, 533, 730, 835, 949, 1066, 1670, 1898, 2171, 2665, 2993, 4342, 4745, 5330, 5986, 6847, 9490, 10855, 12191, 13694, 14965, 21710, 24382, 29930, 34235, 38909, 60955, 68470, 77818, 89011, 121910, 158483, 178022, 194545, 316966, 389090, 445055, 499831, 792415, 890110, 999662, 1584830, 2499155, 4998310, 6497803, 12995606, 32489015, 64978030]

約数ペア:

[(1, 64978030), (2, 32489015), (5, 12995606), (10, 6497803), (13, 4998310), (26, 2499155), (41, 1584830), (65, 999662), (73, 890110), (82, 792415), (130, 499831), (146, 445055), (167, 389090), (205, 316966), (334, 194545), (365, 178022), (410, 158483), (533, 121910), (730, 89011), (835, 77818), (949, 68470), (1066, 60955), (1670, 38909), (1898, 34235), (2171, 29930), (2665, 24382), (2993, 21710), (4342, 14965), (4745, 13694), (5330, 12191), (5986, 10855), (6847, 9490)]