28749448

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 74027520

約数和(自身を除く): 45278072

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 23, 26, 28, 34, 46, 52, 56, 68, 91, 92, 101, 104, 119, 136, 161, 182, 184, 202, 221, 238, 299, 322, 364, 391, 404, 442, 476, 598, 644, 707, 728, 782, 808, 884, 952, 1196, 1288, 1313, 1414, 1547, 1564, 1717, 1768, 2093, 2323, 2392, 2626, 2737, 2828, 3094, 3128, 3434, 4186, 4646, 5083, 5252, 5474, 5656, 6188, 6868, 8372, 9191, 9292, 10166, 10504, 10948, 12019, 12376, 13736, 16261, 16744, 18382, 18584, 20332, 21896, 22321, 24038, 30199, 32522, 35581, 36764, 39491, 40664, 44642, 48076, 60398, 65044, 71162, 73528, 78982, 89284, 96152, 120796, 130088, 142324, 156247, 157964, 178568, 211393, 241592, 276437, 284648, 312494, 315928, 422786, 513383, 552874, 624988, 845572, 1026766, 1105748, 1249976, 1691144, 2053532, 2211496, 3593681, 4107064, 7187362, 14374724, 28749448]

約数ペア:

[(1, 28749448), (2, 14374724), (4, 7187362), (7, 4107064), (8, 3593681), (13, 2211496), (14, 2053532), (17, 1691144), (23, 1249976), (26, 1105748), (28, 1026766), (34, 845572), (46, 624988), (52, 552874), (56, 513383), (68, 422786), (91, 315928), (92, 312494), (101, 284648), (104, 276437), (119, 241592), (136, 211393), (161, 178568), (182, 157964), (184, 156247), (202, 142324), (221, 130088), (238, 120796), (299, 96152), (322, 89284), (364, 78982), (391, 73528), (404, 71162), (442, 65044), (476, 60398), (598, 48076), (644, 44642), (707, 40664), (728, 39491), (782, 36764), (808, 35581), (884, 32522), (952, 30199), (1196, 24038), (1288, 22321), (1313, 21896), (1414, 20332), (1547, 18584), (1564, 18382), (1717, 16744), (1768, 16261), (2093, 13736), (2323, 12376), (2392, 12019), (2626, 10948), (2737, 10504), (2828, 10166), (3094, 9292), (3128, 9191), (3434, 8372), (4186, 6868), (4646, 6188), (5083, 5656), (5252, 5474)]