28563444

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8719}}^1$

素因数の和:8749

約数の個数: 72

約数和(自身を含む): 88874240

約数和(自身を除く): 60310796

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 8719, 17438, 26157, 34876, 52314, 61033, 78471, 104628, 113347, 122066, 156942, 183099, 226694, 244132, 313884, 340041, 366198, 453388, 549297, 680082, 732396, 793429, 1020123, 1098594, 1360164, 1586858, 2040246, 2197188, 2380287, 3173716, 4080492, 4760574, 7140861, 9521148, 14281722, 28563444]

約数ペア:

[(1, 28563444), (2, 14281722), (3, 9521148), (4, 7140861), (6, 4760574), (7, 4080492), (9, 3173716), (12, 2380287), (13, 2197188), (14, 2040246), (18, 1586858), (21, 1360164), (26, 1098594), (28, 1020123), (36, 793429), (39, 732396), (42, 680082), (52, 549297), (63, 453388), (78, 366198), (84, 340041), (91, 313884), (117, 244132), (126, 226694), (156, 183099), (182, 156942), (234, 122066), (252, 113347), (273, 104628), (364, 78471), (468, 61033), (546, 52314), (819, 34876), (1092, 26157), (1638, 17438), (3276, 8719)]