28671228

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 77051520

約数和(自身を除く): 48380292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 167, 171, 228, 251, 334, 342, 501, 502, 668, 684, 753, 1002, 1004, 1503, 1506, 2004, 2259, 3006, 3012, 3173, 4518, 4769, 6012, 6346, 9036, 9519, 9538, 12692, 14307, 19038, 19076, 28557, 28614, 38076, 41917, 42921, 57114, 57228, 83834, 85842, 114228, 125751, 167668, 171684, 251502, 377253, 503004, 754506, 796423, 1509012, 1592846, 2389269, 3185692, 4778538, 7167807, 9557076, 14335614, 28671228]

約数ペア:

[(1, 28671228), (2, 14335614), (3, 9557076), (4, 7167807), (6, 4778538), (9, 3185692), (12, 2389269), (18, 1592846), (19, 1509012), (36, 796423), (38, 754506), (57, 503004), (76, 377253), (114, 251502), (167, 171684), (171, 167668), (228, 125751), (251, 114228), (334, 85842), (342, 83834), (501, 57228), (502, 57114), (668, 42921), (684, 41917), (753, 38076), (1002, 28614), (1004, 28557), (1503, 19076), (1506, 19038), (2004, 14307), (2259, 12692), (3006, 9538), (3012, 9519), (3173, 9036), (4518, 6346), (4769, 6012)]