201115988

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 394289280

約数和(自身を除く): 193173292

約数列:

[1, 2, 4, 19, 38, 41, 43, 76, 79, 82, 86, 158, 164, 172, 316, 361, 722, 779, 817, 1444, 1501, 1558, 1634, 1763, 3002, 3116, 3239, 3268, 3397, 3526, 6004, 6478, 6794, 7052, 12956, 13588, 14801, 15523, 28519, 29602, 31046, 33497, 57038, 59204, 61541, 62092, 64543, 66994, 114076, 123082, 129086, 133988, 139277, 246164, 258172, 278554, 557108, 636443, 1169279, 1226317, 1272886, 2338558, 2452634, 2545772, 2646263, 4677116, 4905268, 5292526, 10585052, 50278997, 100557994, 201115988]

約数ペア:

[(1, 201115988), (2, 100557994), (4, 50278997), (19, 10585052), (38, 5292526), (41, 4905268), (43, 4677116), (76, 2646263), (79, 2545772), (82, 2452634), (86, 2338558), (158, 1272886), (164, 1226317), (172, 1169279), (316, 636443), (361, 557108), (722, 278554), (779, 258172), (817, 246164), (1444, 139277), (1501, 133988), (1558, 129086), (1634, 123082), (1763, 114076), (3002, 66994), (3116, 64543), (3239, 62092), (3268, 61541), (3397, 59204), (3526, 57038), (6004, 33497), (6478, 31046), (6794, 29602), (7052, 28519), (12956, 15523), (13588, 14801)]