38881908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{331}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 106587936

約数和(自身を除く): 67706028

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 251, 331, 468, 502, 662, 753, 993, 1004, 1324, 1506, 1986, 2259, 2979, 3012, 3263, 3972, 4303, 4518, 5958, 6526, 8606, 9036, 9789, 11916, 12909, 13052, 17212, 19578, 25818, 29367, 38727, 39156, 51636, 58734, 77454, 83081, 117468, 154908, 166162, 249243, 332324, 498486, 747729, 996972, 1080053, 1495458, 2160106, 2990916, 3240159, 4320212, 6480318, 9720477, 12960636, 19440954, 38881908]

約数ペア:

[(1, 38881908), (2, 19440954), (3, 12960636), (4, 9720477), (6, 6480318), (9, 4320212), (12, 3240159), (13, 2990916), (18, 2160106), (26, 1495458), (36, 1080053), (39, 996972), (52, 747729), (78, 498486), (117, 332324), (156, 249243), (234, 166162), (251, 154908), (331, 117468), (468, 83081), (502, 77454), (662, 58734), (753, 51636), (993, 39156), (1004, 38727), (1324, 29367), (1506, 25818), (1986, 19578), (2259, 17212), (2979, 13052), (3012, 12909), (3263, 11916), (3972, 9789), (4303, 9036), (4518, 8606), (5958, 6526)]