28159908

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{577}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 77488992

約数和(自身を除く): 49329084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 83, 84, 98, 147, 166, 196, 249, 294, 332, 498, 577, 581, 588, 996, 1154, 1162, 1731, 1743, 2308, 2324, 3462, 3486, 4039, 4067, 6924, 6972, 8078, 8134, 12117, 12201, 16156, 16268, 24234, 24402, 28273, 47891, 48468, 48804, 56546, 84819, 95782, 113092, 143673, 169638, 191564, 287346, 335237, 339276, 574692, 670474, 1005711, 1340948, 2011422, 2346659, 4022844, 4693318, 7039977, 9386636, 14079954, 28159908]

約数ペア:

[(1, 28159908), (2, 14079954), (3, 9386636), (4, 7039977), (6, 4693318), (7, 4022844), (12, 2346659), (14, 2011422), (21, 1340948), (28, 1005711), (42, 670474), (49, 574692), (83, 339276), (84, 335237), (98, 287346), (147, 191564), (166, 169638), (196, 143673), (249, 113092), (294, 95782), (332, 84819), (498, 56546), (577, 48804), (581, 48468), (588, 47891), (996, 28273), (1154, 24402), (1162, 24234), (1731, 16268), (1743, 16156), (2308, 12201), (2324, 12117), (3462, 8134), (3486, 8078), (4039, 6972), (4067, 6924)]