399291215882

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{751}}^1\times {\mathrm{1933}}^1$

素因数の和:2919

約数の個数: 64

約数和(自身を含む): 659701324800

約数和(自身を除く): 260410108918

約数列:

[1, 2, 13, 26, 71, 142, 149, 298, 751, 923, 1502, 1846, 1933, 1937, 3866, 3874, 9763, 10579, 19526, 21158, 25129, 50258, 53321, 106642, 111899, 137243, 137527, 223798, 274486, 275054, 288017, 576034, 693173, 1386346, 1451683, 1454687, 1784159, 2903366, 2909374, 3568318, 3744221, 7488442, 7944829, 15889658, 18871879, 20449207, 37743758, 40898414, 103069493, 103282777, 206138986, 206565554, 216300767, 265839691, 432601534, 531679382, 1339903409, 2679806818, 2811909971, 5623819942, 15357354457, 30714708914, 199645607941, 399291215882]

約数ペア:

[(1, 399291215882), (2, 199645607941), (13, 30714708914), (26, 15357354457), (71, 5623819942), (142, 2811909971), (149, 2679806818), (298, 1339903409), (751, 531679382), (923, 432601534), (1502, 265839691), (1846, 216300767), (1933, 206565554), (1937, 206138986), (3866, 103282777), (3874, 103069493), (9763, 40898414), (10579, 37743758), (19526, 20449207), (21158, 18871879), (25129, 15889658), (50258, 7944829), (53321, 7488442), (106642, 3744221), (111899, 3568318), (137243, 2909374), (137527, 2903366), (223798, 1784159), (274486, 1454687), (275054, 1451683), (288017, 1386346), (576034, 693173)]