644688

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1$

素因数の和:73

約数の個数: 90

約数和(自身を含む): 2036762

約数和(自身を除く): 1392074

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 37, 44, 48, 66, 72, 74, 88, 99, 111, 121, 132, 144, 148, 176, 198, 222, 242, 264, 296, 333, 363, 396, 407, 444, 484, 528, 592, 666, 726, 792, 814, 888, 968, 1089, 1221, 1332, 1452, 1584, 1628, 1776, 1936, 2178, 2442, 2664, 2904, 3256, 3663, 4356, 4477, 4884, 5328, 5808, 6512, 7326, 8712, 8954, 9768, 13431, 14652, 17424, 17908, 19536, 26862, 29304, 35816, 40293, 53724, 58608, 71632, 80586, 107448, 161172, 214896, 322344, 644688]

約数ペア:

[(1, 644688), (2, 322344), (3, 214896), (4, 161172), (6, 107448), (8, 80586), (9, 71632), (11, 58608), (12, 53724), (16, 40293), (18, 35816), (22, 29304), (24, 26862), (33, 19536), (36, 17908), (37, 17424), (44, 14652), (48, 13431), (66, 9768), (72, 8954), (74, 8712), (88, 7326), (99, 6512), (111, 5808), (121, 5328), (132, 4884), (144, 4477), (148, 4356), (176, 3663), (198, 3256), (222, 2904), (242, 2664), (264, 2442), (296, 2178), (333, 1936), (363, 1776), (396, 1628), (407, 1584), (444, 1452), (484, 1332), (528, 1221), (592, 1089), (666, 968), (726, 888), (792, 814)]