216720972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1489}}^1$

素因数の和:1823

約数の個数: 72

約数和(自身を含む): 592257120

約数和(自身を除く): 375536148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 311, 468, 622, 933, 1244, 1489, 1866, 2799, 2978, 3732, 4043, 4467, 5598, 5956, 8086, 8934, 11196, 12129, 13401, 16172, 17868, 19357, 24258, 26802, 36387, 38714, 48516, 53604, 58071, 72774, 77428, 116142, 145548, 174213, 232284, 348426, 463079, 696852, 926158, 1389237, 1852316, 2778474, 4167711, 5556948, 6020027, 8335422, 12040054, 16670844, 18060081, 24080108, 36120162, 54180243, 72240324, 108360486, 216720972]

約数ペア:

[(1, 216720972), (2, 108360486), (3, 72240324), (4, 54180243), (6, 36120162), (9, 24080108), (12, 18060081), (13, 16670844), (18, 12040054), (26, 8335422), (36, 6020027), (39, 5556948), (52, 4167711), (78, 2778474), (117, 1852316), (156, 1389237), (234, 926158), (311, 696852), (468, 463079), (622, 348426), (933, 232284), (1244, 174213), (1489, 145548), (1866, 116142), (2799, 77428), (2978, 72774), (3732, 58071), (4043, 53604), (4467, 48516), (5598, 38714), (5956, 36387), (8086, 26802), (8934, 24258), (11196, 19357), (12129, 17868), (13401, 16172)]