28408952

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1356

約数の個数: 64

約数和(自身を含む): 65923200

約数和(自身を除く): 37514248

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 209, 247, 286, 418, 494, 572, 836, 988, 1144, 1307, 1672, 1976, 2614, 2717, 5228, 5434, 10456, 10868, 14377, 16991, 21736, 24833, 28754, 33982, 49666, 57508, 67964, 99332, 115016, 135928, 186901, 198664, 273163, 322829, 373802, 546326, 645658, 747604, 1092652, 1291316, 1495208, 2185304, 2582632, 3551119, 7102238, 14204476, 28408952]

約数ペア:

[(1, 28408952), (2, 14204476), (4, 7102238), (8, 3551119), (11, 2582632), (13, 2185304), (19, 1495208), (22, 1291316), (26, 1092652), (38, 747604), (44, 645658), (52, 546326), (76, 373802), (88, 322829), (104, 273163), (143, 198664), (152, 186901), (209, 135928), (247, 115016), (286, 99332), (418, 67964), (494, 57508), (572, 49666), (836, 33982), (988, 28754), (1144, 24833), (1307, 21736), (1672, 16991), (1976, 14377), (2614, 10868), (2717, 10456), (5228, 5434)]