31129728

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:374

約数の個数: 128

約数和(自身を含む): 97365120

約数和(自身を除く): 66235392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 37, 42, 48, 56, 64, 74, 84, 96, 111, 112, 128, 148, 168, 192, 222, 224, 259, 296, 313, 336, 384, 444, 448, 518, 592, 626, 672, 777, 888, 896, 939, 1036, 1184, 1252, 1344, 1554, 1776, 1878, 2072, 2191, 2368, 2504, 2688, 3108, 3552, 3756, 4144, 4382, 4736, 5008, 6216, 6573, 7104, 7512, 8288, 8764, 10016, 11581, 12432, 13146, 14208, 15024, 16576, 17528, 20032, 23162, 24864, 26292, 30048, 33152, 34743, 35056, 40064, 46324, 49728, 52584, 60096, 69486, 70112, 81067, 92648, 99456, 105168, 120192, 138972, 140224, 162134, 185296, 210336, 243201, 277944, 280448, 324268, 370592, 420672, 486402, 555888, 648536, 741184, 841344, 972804, 1111776, 1297072, 1482368, 1945608, 2223552, 2594144, 3891216, 4447104, 5188288, 7782432, 10376576, 15564864, 31129728]

約数ペア:

[(1, 31129728), (2, 15564864), (3, 10376576), (4, 7782432), (6, 5188288), (7, 4447104), (8, 3891216), (12, 2594144), (14, 2223552), (16, 1945608), (21, 1482368), (24, 1297072), (28, 1111776), (32, 972804), (37, 841344), (42, 741184), (48, 648536), (56, 555888), (64, 486402), (74, 420672), (84, 370592), (96, 324268), (111, 280448), (112, 277944), (128, 243201), (148, 210336), (168, 185296), (192, 162134), (222, 140224), (224, 138972), (259, 120192), (296, 105168), (313, 99456), (336, 92648), (384, 81067), (444, 70112), (448, 69486), (518, 60096), (592, 52584), (626, 49728), (672, 46324), (777, 40064), (888, 35056), (896, 34743), (939, 33152), (1036, 30048), (1184, 26292), (1252, 24864), (1344, 23162), (1554, 20032), (1776, 17528), (1878, 16576), (2072, 15024), (2191, 14208), (2368, 13146), (2504, 12432), (2688, 11581), (3108, 10016), (3552, 8764), (3756, 8288), (4144, 7512), (4382, 7104), (4736, 6573), (5008, 6216)]