28713804

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1039}}^1$

素因数の和:1107

約数の個数: 72

約数和(自身を含む): 79672320

約数和(自身を除く): 50958516

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 282, 294, 329, 564, 588, 658, 987, 1039, 1316, 1974, 2078, 2303, 3117, 3948, 4156, 4606, 6234, 6909, 7273, 9212, 12468, 13818, 14546, 21819, 27636, 29092, 43638, 48833, 50911, 87276, 97666, 101822, 146499, 152733, 195332, 203644, 292998, 305466, 341831, 585996, 610932, 683662, 1025493, 1367324, 2050986, 2392817, 4101972, 4785634, 7178451, 9571268, 14356902, 28713804]

約数ペア:

[(1, 28713804), (2, 14356902), (3, 9571268), (4, 7178451), (6, 4785634), (7, 4101972), (12, 2392817), (14, 2050986), (21, 1367324), (28, 1025493), (42, 683662), (47, 610932), (49, 585996), (84, 341831), (94, 305466), (98, 292998), (141, 203644), (147, 195332), (188, 152733), (196, 146499), (282, 101822), (294, 97666), (329, 87276), (564, 50911), (588, 48833), (658, 43638), (987, 29092), (1039, 27636), (1316, 21819), (1974, 14546), (2078, 13818), (2303, 12468), (3117, 9212), (3948, 7273), (4156, 6909), (4606, 6234)]