61181988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1553}}^1$

素因数の和:1641

約数の個数: 72

約数和(自身を含む): 168652512

約数和(自身を除く): 107470524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 67, 84, 98, 134, 147, 196, 201, 268, 294, 402, 469, 588, 804, 938, 1407, 1553, 1876, 2814, 3106, 3283, 4659, 5628, 6212, 6566, 9318, 9849, 10871, 13132, 18636, 19698, 21742, 32613, 39396, 43484, 65226, 76097, 104051, 130452, 152194, 208102, 228291, 304388, 312153, 416204, 456582, 624306, 728357, 913164, 1248612, 1456714, 2185071, 2913428, 4370142, 5098499, 8740284, 10196998, 15295497, 20393996, 30590994, 61181988]

約数ペア:

[(1, 61181988), (2, 30590994), (3, 20393996), (4, 15295497), (6, 10196998), (7, 8740284), (12, 5098499), (14, 4370142), (21, 2913428), (28, 2185071), (42, 1456714), (49, 1248612), (67, 913164), (84, 728357), (98, 624306), (134, 456582), (147, 416204), (196, 312153), (201, 304388), (268, 228291), (294, 208102), (402, 152194), (469, 130452), (588, 104051), (804, 76097), (938, 65226), (1407, 43484), (1553, 39396), (1876, 32613), (2814, 21742), (3106, 19698), (3283, 18636), (4659, 13132), (5628, 10871), (6212, 9849), (6566, 9318)]