289647918

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1667}}^1$

素因数の和:1886

約数の個数: 72

約数和(自身を含む): 734176872

約数和(自身を除く): 444528954

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 197, 294, 394, 441, 591, 882, 1182, 1379, 1667, 1773, 2758, 3334, 3546, 4137, 5001, 8274, 9653, 10002, 11669, 12411, 15003, 19306, 23338, 24822, 28959, 30006, 35007, 57918, 70014, 81683, 86877, 105021, 163366, 173754, 210042, 245049, 328399, 490098, 656798, 735147, 985197, 1470294, 1970394, 2298793, 2955591, 4597586, 5911182, 6896379, 13792758, 16091551, 20689137, 32183102, 41378274, 48274653, 96549306, 144823959, 289647918]

約数ペア:

[(1, 289647918), (2, 144823959), (3, 96549306), (6, 48274653), (7, 41378274), (9, 32183102), (14, 20689137), (18, 16091551), (21, 13792758), (42, 6896379), (49, 5911182), (63, 4597586), (98, 2955591), (126, 2298793), (147, 1970394), (197, 1470294), (294, 985197), (394, 735147), (441, 656798), (591, 490098), (882, 328399), (1182, 245049), (1379, 210042), (1667, 173754), (1773, 163366), (2758, 105021), (3334, 86877), (3546, 81683), (4137, 70014), (5001, 57918), (8274, 35007), (9653, 30006), (10002, 28959), (11669, 24822), (12411, 23338), (15003, 19306)]