291275505352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{780799}}^1$

素因数の和:781046

約数の個数: 64

約数和(自身を含む): 625701888000

約数和(自身を除く): 334426382648

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 211, 221, 422, 442, 844, 884, 1688, 1768, 2743, 3587, 5486, 7174, 10972, 14348, 21944, 28696, 46631, 93262, 186524, 373048, 780799, 1561598, 3123196, 6246392, 10150387, 13273583, 20300774, 26547166, 40601548, 53094332, 81203096, 106188664, 164748589, 172556579, 329497178, 345113158, 658994356, 690226316, 1317988712, 1380452632, 2141731657, 2800726013, 4283463314, 5601452026, 8566926628, 11202904052, 17133853256, 22405808104, 36409438169, 72818876338, 145637752676, 291275505352]

約数ペア:

[(1, 291275505352), (2, 145637752676), (4, 72818876338), (8, 36409438169), (13, 22405808104), (17, 17133853256), (26, 11202904052), (34, 8566926628), (52, 5601452026), (68, 4283463314), (104, 2800726013), (136, 2141731657), (211, 1380452632), (221, 1317988712), (422, 690226316), (442, 658994356), (844, 345113158), (884, 329497178), (1688, 172556579), (1768, 164748589), (2743, 106188664), (3587, 81203096), (5486, 53094332), (7174, 40601548), (10972, 26547166), (14348, 20300774), (21944, 13273583), (28696, 10150387), (46631, 6246392), (93262, 3123196), (186524, 1561598), (373048, 780799)]