28903142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 47779680

約数和(自身を除く): 18876538

約数列:

[1, 2, 19, 37, 38, 61, 74, 122, 337, 674, 703, 1159, 1406, 2257, 2318, 4514, 6403, 12469, 12806, 20557, 24938, 41114, 42883, 85766, 236911, 390583, 473822, 760609, 781166, 1521218, 14451571, 28903142]

約数ペア:

[(1, 28903142), (2, 14451571), (19, 1521218), (37, 781166), (38, 760609), (61, 473822), (74, 390583), (122, 236911), (337, 85766), (674, 42883), (703, 41114), (1159, 24938), (1406, 20557), (2257, 12806), (2318, 12469), (4514, 6403)]