645420312

素因数分解:

$2^3\times 3^4\times {\mathrm{996019}}^1$

素因数の和:996037

約数の個数: 40

約数和(自身を含む): 1807776300

約数和(自身を除く): 1162355988

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 996019, 1992038, 2988057, 3984076, 5976114, 7968152, 8964171, 11952228, 17928342, 23904456, 26892513, 35856684, 53785026, 71713368, 80677539, 107570052, 161355078, 215140104, 322710156, 645420312]

約数ペア:

[(1, 645420312), (2, 322710156), (3, 215140104), (4, 161355078), (6, 107570052), (8, 80677539), (9, 71713368), (12, 53785026), (18, 35856684), (24, 26892513), (27, 23904456), (36, 17928342), (54, 11952228), (72, 8964171), (81, 7968152), (108, 5976114), (162, 3984076), (216, 2988057), (324, 1992038), (648, 996019)]