251948944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 541840320

約数和(自身を除く): 289891376

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 101, 104, 134, 179, 202, 208, 268, 358, 404, 536, 716, 808, 871, 1072, 1313, 1432, 1616, 1742, 2327, 2626, 2864, 3484, 4654, 5252, 6767, 6968, 9308, 10504, 11993, 13534, 13936, 18079, 18616, 21008, 23986, 27068, 36158, 37232, 47972, 54136, 72316, 87971, 95944, 108272, 144632, 155909, 175942, 191888, 235027, 289264, 311818, 351884, 470054, 623636, 703768, 940108, 1211293, 1247272, 1407536, 1880216, 2422586, 2494544, 3760432, 4845172, 9690344, 15746809, 19380688, 31493618, 62987236, 125974472, 251948944]

約数ペア:

[(1, 251948944), (2, 125974472), (4, 62987236), (8, 31493618), (13, 19380688), (16, 15746809), (26, 9690344), (52, 4845172), (67, 3760432), (101, 2494544), (104, 2422586), (134, 1880216), (179, 1407536), (202, 1247272), (208, 1211293), (268, 940108), (358, 703768), (404, 623636), (536, 470054), (716, 351884), (808, 311818), (871, 289264), (1072, 235027), (1313, 191888), (1432, 175942), (1616, 155909), (1742, 144632), (2327, 108272), (2626, 95944), (2864, 87971), (3484, 72316), (4654, 54136), (5252, 47972), (6767, 37232), (6968, 36158), (9308, 27068), (10504, 23986), (11993, 21008), (13534, 18616), (13936, 18079)]