28302008

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 67962240

約数和(自身を除く): 39660232

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 49, 56, 62, 68, 98, 119, 124, 136, 137, 196, 217, 238, 248, 274, 392, 434, 476, 527, 548, 833, 868, 952, 959, 1054, 1096, 1519, 1666, 1736, 1918, 2108, 2329, 3038, 3332, 3689, 3836, 4216, 4247, 4658, 6076, 6664, 6713, 7378, 7672, 8494, 9316, 12152, 13426, 14756, 16303, 16988, 18632, 25823, 26852, 29512, 29729, 32606, 33976, 51646, 53704, 59458, 65212, 72199, 103292, 114121, 118916, 130424, 144398, 206584, 208103, 228242, 237832, 288796, 416206, 456484, 505393, 577592, 832412, 912968, 1010786, 1664824, 2021572, 3537751, 4043144, 7075502, 14151004, 28302008]

約数ペア:

[(1, 28302008), (2, 14151004), (4, 7075502), (7, 4043144), (8, 3537751), (14, 2021572), (17, 1664824), (28, 1010786), (31, 912968), (34, 832412), (49, 577592), (56, 505393), (62, 456484), (68, 416206), (98, 288796), (119, 237832), (124, 228242), (136, 208103), (137, 206584), (196, 144398), (217, 130424), (238, 118916), (248, 114121), (274, 103292), (392, 72199), (434, 65212), (476, 59458), (527, 53704), (548, 51646), (833, 33976), (868, 32606), (952, 29729), (959, 29512), (1054, 26852), (1096, 25823), (1519, 18632), (1666, 16988), (1736, 16303), (1918, 14756), (2108, 13426), (2329, 12152), (3038, 9316), (3332, 8494), (3689, 7672), (3836, 7378), (4216, 6713), (4247, 6664), (4658, 6076)]