87231964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{631}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 172005120

約数和(自身を除く): 84773156

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 107, 214, 323, 428, 631, 646, 1262, 1292, 1819, 2033, 2524, 3638, 4066, 7276, 8132, 10727, 11989, 21454, 23978, 34561, 42908, 47956, 67517, 69122, 135034, 138244, 203813, 270068, 407626, 815252, 1147789, 1282823, 2295578, 2565646, 4591156, 5131292, 21807991, 43615982, 87231964]

約数ペア:

[(1, 87231964), (2, 43615982), (4, 21807991), (17, 5131292), (19, 4591156), (34, 2565646), (38, 2295578), (68, 1282823), (76, 1147789), (107, 815252), (214, 407626), (323, 270068), (428, 203813), (631, 138244), (646, 135034), (1262, 69122), (1292, 67517), (1819, 47956), (2033, 42908), (2524, 34561), (3638, 23978), (4066, 21454), (7276, 11989), (8132, 10727)]