121211272

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{997}}^1$

素因数の和:1190

約数の個数: 64

約数和(自身を含む): 281675520

約数和(自身を除く): 160464248

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 167, 182, 334, 364, 668, 728, 997, 1169, 1336, 1994, 2171, 2338, 3988, 4342, 4676, 6979, 7976, 8684, 9352, 12961, 13958, 15197, 17368, 25922, 27916, 30394, 51844, 55832, 60788, 90727, 103688, 121576, 166499, 181454, 332998, 362908, 665996, 725816, 1165493, 1331992, 2164487, 2330986, 4328974, 4661972, 8657948, 9323944, 15151409, 17315896, 30302818, 60605636, 121211272]

約数ペア:

[(1, 121211272), (2, 60605636), (4, 30302818), (7, 17315896), (8, 15151409), (13, 9323944), (14, 8657948), (26, 4661972), (28, 4328974), (52, 2330986), (56, 2164487), (91, 1331992), (104, 1165493), (167, 725816), (182, 665996), (334, 362908), (364, 332998), (668, 181454), (728, 166499), (997, 121576), (1169, 103688), (1336, 90727), (1994, 60788), (2171, 55832), (2338, 51844), (3988, 30394), (4342, 27916), (4676, 25922), (6979, 17368), (7976, 15197), (8684, 13958), (9352, 12961)]