28282644

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 77622272

約数和(自身を除く): 49339628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 223, 234, 271, 446, 468, 542, 669, 813, 892, 1084, 1338, 1626, 2007, 2439, 2676, 2899, 3252, 3523, 4014, 4878, 5798, 7046, 8028, 8697, 9756, 10569, 11596, 14092, 17394, 21138, 26091, 31707, 34788, 42276, 52182, 60433, 63414, 104364, 120866, 126828, 181299, 241732, 362598, 543897, 725196, 785629, 1087794, 1571258, 2175588, 2356887, 3142516, 4713774, 7070661, 9427548, 14141322, 28282644]

約数ペア:

[(1, 28282644), (2, 14141322), (3, 9427548), (4, 7070661), (6, 4713774), (9, 3142516), (12, 2356887), (13, 2175588), (18, 1571258), (26, 1087794), (36, 785629), (39, 725196), (52, 543897), (78, 362598), (117, 241732), (156, 181299), (223, 126828), (234, 120866), (271, 104364), (446, 63414), (468, 60433), (542, 52182), (669, 42276), (813, 34788), (892, 31707), (1084, 26091), (1338, 21138), (1626, 17394), (2007, 14092), (2439, 11596), (2676, 10569), (2899, 9756), (3252, 8697), (3523, 8028), (4014, 7046), (4878, 5798)]