1900894639

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 2388072960

約数和(自身を除く): 487178321

約数列:

[1, 7, 23, 29, 101, 139, 161, 203, 667, 707, 841, 973, 2323, 2929, 3197, 4031, 4669, 5887, 14039, 16261, 19343, 20503, 22379, 28217, 67367, 84941, 92713, 98273, 116899, 135401, 322897, 407131, 471569, 594587, 648991, 818293, 1953643, 2260279, 2688677, 2849917, 9364013, 11806799, 13675501, 18820739, 65548091, 82647593, 271556377, 1900894639]

約数ペア:

[(1, 1900894639), (7, 271556377), (23, 82647593), (29, 65548091), (101, 18820739), (139, 13675501), (161, 11806799), (203, 9364013), (667, 2849917), (707, 2688677), (841, 2260279), (973, 1953643), (2323, 818293), (2929, 648991), (3197, 594587), (4031, 471569), (4669, 407131), (5887, 322897), (14039, 135401), (16261, 116899), (19343, 98273), (20503, 92713), (22379, 84941), (28217, 67367)]