28556388

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{1399}}^1$

素因数の和:1428

約数の個数: 84

約数和(自身を含む): 85691200

約数和(自身を除く): 57134812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 729, 756, 972, 1134, 1399, 1458, 1701, 2268, 2798, 2916, 3402, 4197, 5103, 5596, 6804, 8394, 9793, 10206, 12591, 16788, 19586, 20412, 25182, 29379, 37773, 39172, 50364, 58758, 75546, 88137, 113319, 117516, 151092, 176274, 226638, 264411, 339957, 352548, 453276, 528822, 679914, 793233, 1019871, 1057644, 1359828, 1586466, 2039742, 2379699, 3172932, 4079484, 4759398, 7139097, 9518796, 14278194, 28556388]

約数ペア:

[(1, 28556388), (2, 14278194), (3, 9518796), (4, 7139097), (6, 4759398), (7, 4079484), (9, 3172932), (12, 2379699), (14, 2039742), (18, 1586466), (21, 1359828), (27, 1057644), (28, 1019871), (36, 793233), (42, 679914), (54, 528822), (63, 453276), (81, 352548), (84, 339957), (108, 264411), (126, 226638), (162, 176274), (189, 151092), (243, 117516), (252, 113319), (324, 88137), (378, 75546), (486, 58758), (567, 50364), (729, 39172), (756, 37773), (972, 29379), (1134, 25182), (1399, 20412), (1458, 19586), (1701, 16788), (2268, 12591), (2798, 10206), (2916, 9793), (3402, 8394), (4197, 6804), (5103, 5596)]