990396

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 2843568

約数和(自身を除く): 1853172

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 41, 44, 61, 66, 82, 99, 122, 123, 132, 164, 183, 198, 244, 246, 366, 369, 396, 451, 492, 549, 671, 732, 738, 902, 1098, 1342, 1353, 1476, 1804, 2013, 2196, 2501, 2684, 2706, 4026, 4059, 5002, 5412, 6039, 7503, 8052, 8118, 10004, 12078, 15006, 16236, 22509, 24156, 27511, 30012, 45018, 55022, 82533, 90036, 110044, 165066, 247599, 330132, 495198, 990396]

約数ペア:

[(1, 990396), (2, 495198), (3, 330132), (4, 247599), (6, 165066), (9, 110044), (11, 90036), (12, 82533), (18, 55022), (22, 45018), (33, 30012), (36, 27511), (41, 24156), (44, 22509), (61, 16236), (66, 15006), (82, 12078), (99, 10004), (122, 8118), (123, 8052), (132, 7503), (164, 6039), (183, 5412), (198, 5002), (244, 4059), (246, 4026), (366, 2706), (369, 2684), (396, 2501), (451, 2196), (492, 2013), (549, 1804), (671, 1476), (732, 1353), (738, 1342), (902, 1098)]