78211315

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 124185600

約数和(自身を除く): 45974285

約数列:

[1, 5, 7, 13, 19, 35, 65, 83, 91, 95, 109, 133, 247, 415, 455, 545, 581, 665, 763, 1079, 1235, 1417, 1577, 1729, 2071, 2905, 3815, 5395, 7085, 7553, 7885, 8645, 9047, 9919, 10355, 11039, 14497, 20501, 26923, 37765, 45235, 49595, 55195, 63329, 72485, 102505, 117611, 134615, 143507, 171893, 188461, 316645, 588055, 717535, 823277, 859465, 942305, 1203251, 2234609, 4116385, 6016255, 11173045, 15642263, 78211315]

約数ペア:

[(1, 78211315), (5, 15642263), (7, 11173045), (13, 6016255), (19, 4116385), (35, 2234609), (65, 1203251), (83, 942305), (91, 859465), (95, 823277), (109, 717535), (133, 588055), (247, 316645), (415, 188461), (455, 171893), (545, 143507), (581, 134615), (665, 117611), (763, 102505), (1079, 72485), (1235, 63329), (1417, 55195), (1577, 49595), (1729, 45235), (2071, 37765), (2905, 26923), (3815, 20501), (5395, 14497), (7085, 11039), (7553, 10355), (7885, 9919), (8645, 9047)]