251201356

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 551936000

約数和(自身を除く): 300734644

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 79, 86, 133, 139, 158, 172, 266, 278, 301, 316, 532, 553, 556, 602, 817, 973, 1106, 1204, 1501, 1634, 1946, 2212, 2641, 3002, 3268, 3397, 3892, 5282, 5719, 5977, 6004, 6794, 10507, 10564, 10981, 11438, 11954, 13588, 18487, 21014, 21962, 22876, 23779, 23908, 36974, 41839, 42028, 43924, 47558, 64543, 73948, 76867, 83678, 95116, 113563, 129086, 153734, 167356, 208639, 227126, 258172, 307468, 417278, 451801, 454252, 472183, 794941, 834556, 903602, 944366, 1460473, 1589882, 1807204, 1888732, 2920946, 3179764, 3305281, 5841892, 6610562, 8971477, 13221124, 17942954, 35885908, 62800339, 125600678, 251201356]

約数ペア:

[(1, 251201356), (2, 125600678), (4, 62800339), (7, 35885908), (14, 17942954), (19, 13221124), (28, 8971477), (38, 6610562), (43, 5841892), (76, 3305281), (79, 3179764), (86, 2920946), (133, 1888732), (139, 1807204), (158, 1589882), (172, 1460473), (266, 944366), (278, 903602), (301, 834556), (316, 794941), (532, 472183), (553, 454252), (556, 451801), (602, 417278), (817, 307468), (973, 258172), (1106, 227126), (1204, 208639), (1501, 167356), (1634, 153734), (1946, 129086), (2212, 113563), (2641, 95116), (3002, 83678), (3268, 76867), (3397, 73948), (3892, 64543), (5282, 47558), (5719, 43924), (5977, 42028), (6004, 41839), (6794, 36974), (10507, 23908), (10564, 23779), (10981, 22876), (11438, 21962), (11954, 21014), (13588, 18487)]