289762502

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{509}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 467078400

約数和(自身を除く): 177315898

約数列:

[1, 2, 19, 38, 71, 142, 211, 422, 509, 1018, 1349, 2698, 4009, 8018, 9671, 14981, 19342, 29962, 36139, 72278, 107399, 214798, 284639, 569278, 686641, 1373282, 2040581, 4081162, 7625329, 15250658, 144881251, 289762502]

約数ペア:

[(1, 289762502), (2, 144881251), (19, 15250658), (38, 7625329), (71, 4081162), (142, 2040581), (211, 1373282), (422, 686641), (509, 569278), (1018, 284639), (1349, 214798), (2698, 107399), (4009, 72278), (8018, 36139), (9671, 29962), (14981, 19342)]