28170131728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1237}}^1\times {\mathrm{3257}}^1$

素因数の和:4544

約数の個数: 80

約数和(自身を含む): 60017051520

約数和(自身を除く): 31846919792

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1237, 1748, 2474, 3257, 3496, 4948, 6514, 6992, 9896, 13028, 19792, 23503, 26056, 28451, 47006, 52112, 56902, 61883, 74911, 94012, 113804, 123766, 149822, 188024, 227608, 247532, 299644, 376048, 455216, 495064, 540569, 599288, 990128, 1081138, 1198576, 1423309, 2162276, 2846618, 4028909, 4324552, 5693236, 8057818, 8649104, 11386472, 16115636, 22772944, 32231272, 64462544, 76549271, 92664907, 153098542, 185329814, 306197084, 370659628, 612394168, 741319256, 1224788336, 1482638512, 1760633233, 3521266466, 7042532932, 14085065864, 28170131728]

約数ペア:

[(1, 28170131728), (2, 14085065864), (4, 7042532932), (8, 3521266466), (16, 1760633233), (19, 1482638512), (23, 1224788336), (38, 741319256), (46, 612394168), (76, 370659628), (92, 306197084), (152, 185329814), (184, 153098542), (304, 92664907), (368, 76549271), (437, 64462544), (874, 32231272), (1237, 22772944), (1748, 16115636), (2474, 11386472), (3257, 8649104), (3496, 8057818), (4948, 5693236), (6514, 4324552), (6992, 4028909), (9896, 2846618), (13028, 2162276), (19792, 1423309), (23503, 1198576), (26056, 1081138), (28451, 990128), (47006, 599288), (52112, 540569), (56902, 495064), (61883, 455216), (74911, 376048), (94012, 299644), (113804, 247532), (123766, 227608), (149822, 188024)]