28244944

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1$

素因数の和:1068

約数の個数: 80

約数和(自身を含む): 70967680

約数和(自身を除く): 42722736

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 364, 494, 532, 728, 988, 1021, 1064, 1456, 1729, 1976, 2042, 2128, 3458, 3952, 4084, 6916, 7147, 8168, 13273, 13832, 14294, 16336, 19399, 26546, 27664, 28588, 38798, 53092, 57176, 77596, 92911, 106184, 114352, 135793, 155192, 185822, 212368, 252187, 271586, 310384, 371644, 504374, 543172, 743288, 1008748, 1086344, 1486576, 1765309, 2017496, 2172688, 3530618, 4034992, 7061236, 14122472, 28244944]

約数ペア:

[(1, 28244944), (2, 14122472), (4, 7061236), (7, 4034992), (8, 3530618), (13, 2172688), (14, 2017496), (16, 1765309), (19, 1486576), (26, 1086344), (28, 1008748), (38, 743288), (52, 543172), (56, 504374), (76, 371644), (91, 310384), (104, 271586), (112, 252187), (133, 212368), (152, 185822), (182, 155192), (208, 135793), (247, 114352), (266, 106184), (304, 92911), (364, 77596), (494, 57176), (532, 53092), (728, 38798), (988, 28588), (1021, 27664), (1064, 26546), (1456, 19399), (1729, 16336), (1976, 14294), (2042, 13832), (2128, 13273), (3458, 8168), (3952, 7147), (4084, 6916)]