389702988

素因数分解:

$2^2\times 3^6\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1378

約数の個数: 84

約数和(自身を含む): 1032885000

約数和(自身を除く): 643182012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 107, 108, 162, 214, 243, 321, 324, 428, 486, 642, 729, 963, 972, 1249, 1284, 1458, 1926, 2498, 2889, 2916, 3747, 3852, 4996, 5778, 7494, 8667, 11241, 11556, 14988, 17334, 22482, 26001, 33723, 34668, 44964, 52002, 67446, 78003, 101169, 104004, 133643, 134892, 156006, 202338, 267286, 303507, 312012, 400929, 404676, 534572, 607014, 801858, 910521, 1202787, 1214028, 1603716, 1821042, 2405574, 3608361, 3642084, 4811148, 7216722, 10825083, 14433444, 21650166, 32475249, 43300332, 64950498, 97425747, 129900996, 194851494, 389702988]

約数ペア:

[(1, 389702988), (2, 194851494), (3, 129900996), (4, 97425747), (6, 64950498), (9, 43300332), (12, 32475249), (18, 21650166), (27, 14433444), (36, 10825083), (54, 7216722), (81, 4811148), (107, 3642084), (108, 3608361), (162, 2405574), (214, 1821042), (243, 1603716), (321, 1214028), (324, 1202787), (428, 910521), (486, 801858), (642, 607014), (729, 534572), (963, 404676), (972, 400929), (1249, 312012), (1284, 303507), (1458, 267286), (1926, 202338), (2498, 156006), (2889, 134892), (2916, 133643), (3747, 104004), (3852, 101169), (4996, 78003), (5778, 67446), (7494, 52002), (8667, 44964), (11241, 34668), (11556, 33723), (14988, 26001), (17334, 22482)]