28101760956

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{74209}}^1$

素因数の和:74443

約数の個数: 72

約数和(自身を含む): 72555413840

約数和(自身を除く): 44453652884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 157, 201, 268, 314, 402, 471, 603, 628, 804, 942, 1206, 1413, 1884, 2412, 2826, 5652, 10519, 21038, 31557, 42076, 63114, 74209, 94671, 126228, 148418, 189342, 222627, 296836, 378684, 445254, 667881, 890508, 1335762, 2671524, 4972003, 9944006, 11650813, 14916009, 19888012, 23301626, 29832018, 34952439, 44748027, 46603252, 59664036, 69904878, 89496054, 104857317, 139809756, 178992108, 209714634, 419429268, 780604471, 1561208942, 2341813413, 3122417884, 4683626826, 7025440239, 9367253652, 14050880478, 28101760956]

約数ペア:

[(1, 28101760956), (2, 14050880478), (3, 9367253652), (4, 7025440239), (6, 4683626826), (9, 3122417884), (12, 2341813413), (18, 1561208942), (36, 780604471), (67, 419429268), (134, 209714634), (157, 178992108), (201, 139809756), (268, 104857317), (314, 89496054), (402, 69904878), (471, 59664036), (603, 46603252), (628, 44748027), (804, 34952439), (942, 29832018), (1206, 23301626), (1413, 19888012), (1884, 14916009), (2412, 11650813), (2826, 9944006), (5652, 4972003), (10519, 2671524), (21038, 1335762), (31557, 890508), (42076, 667881), (63114, 445254), (74209, 378684), (94671, 296836), (126228, 222627), (148418, 189342)]