28911828

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 78382080

約数和(自身を除く): 49470252

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 89, 92, 107, 132, 138, 178, 214, 253, 267, 276, 321, 356, 428, 506, 534, 642, 759, 979, 1012, 1068, 1177, 1284, 1518, 1958, 2047, 2354, 2461, 2937, 3036, 3531, 3916, 4094, 4708, 4922, 5874, 6141, 7062, 7383, 8188, 9523, 9844, 11748, 12282, 14124, 14766, 19046, 22517, 24564, 27071, 28569, 29532, 38092, 45034, 54142, 57138, 67551, 81213, 90068, 104753, 108284, 114276, 135102, 162426, 209506, 219029, 270204, 314259, 324852, 419012, 438058, 628518, 657087, 876116, 1257036, 1314174, 2409319, 2628348, 4818638, 7227957, 9637276, 14455914, 28911828]

約数ペア:

[(1, 28911828), (2, 14455914), (3, 9637276), (4, 7227957), (6, 4818638), (11, 2628348), (12, 2409319), (22, 1314174), (23, 1257036), (33, 876116), (44, 657087), (46, 628518), (66, 438058), (69, 419012), (89, 324852), (92, 314259), (107, 270204), (132, 219029), (138, 209506), (178, 162426), (214, 135102), (253, 114276), (267, 108284), (276, 104753), (321, 90068), (356, 81213), (428, 67551), (506, 57138), (534, 54142), (642, 45034), (759, 38092), (979, 29532), (1012, 28569), (1068, 27071), (1177, 24564), (1284, 22517), (1518, 19046), (1958, 14766), (2047, 14124), (2354, 12282), (2461, 11748), (2937, 9844), (3036, 9523), (3531, 8188), (3916, 7383), (4094, 7062), (4708, 6141), (4922, 5874)]