199424494

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 322300800

約数和(自身を除く): 122876306

約数列:

[1, 2, 19, 38, 61, 122, 227, 379, 454, 758, 1159, 2318, 4313, 7201, 8626, 13847, 14402, 23119, 27694, 46238, 86033, 172066, 263093, 439261, 526186, 878522, 1634627, 3269254, 5248013, 10496026, 99712247, 199424494]

約数ペア:

[(1, 199424494), (2, 99712247), (19, 10496026), (38, 5248013), (61, 3269254), (122, 1634627), (227, 878522), (379, 526186), (454, 439261), (758, 263093), (1159, 172066), (2318, 86033), (4313, 46238), (7201, 27694), (8626, 23119), (13847, 14402)]