28407408

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1123}}^1$

素因数の和:1182

約数の個数: 80

約数和(自身を含む): 80280576

約数和(自身を除く): 51873168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 34, 48, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 272, 372, 408, 496, 527, 744, 816, 1054, 1123, 1488, 1581, 2108, 2246, 3162, 3369, 4216, 4492, 6324, 6738, 8432, 8984, 12648, 13476, 17968, 19091, 25296, 26952, 34813, 38182, 53904, 57273, 69626, 76364, 104439, 114546, 139252, 152728, 208878, 229092, 278504, 305456, 417756, 458184, 557008, 591821, 835512, 916368, 1183642, 1671024, 1775463, 2367284, 3550926, 4734568, 7101852, 9469136, 14203704, 28407408]

約数ペア:

[(1, 28407408), (2, 14203704), (3, 9469136), (4, 7101852), (6, 4734568), (8, 3550926), (12, 2367284), (16, 1775463), (17, 1671024), (24, 1183642), (31, 916368), (34, 835512), (48, 591821), (51, 557008), (62, 458184), (68, 417756), (93, 305456), (102, 278504), (124, 229092), (136, 208878), (186, 152728), (204, 139252), (248, 114546), (272, 104439), (372, 76364), (408, 69626), (496, 57273), (527, 53904), (744, 38182), (816, 34813), (1054, 26952), (1123, 25296), (1488, 19091), (1581, 17968), (2108, 13476), (2246, 12648), (3162, 8984), (3369, 8432), (4216, 6738), (4492, 6324)]