398901426

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{1481}}^1$

素因数の和:1568

約数の個数: 96

約数和(自身を含む): 1021797504

約数和(自身を除く): 622896078

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 53, 66, 77, 106, 121, 154, 159, 231, 242, 318, 363, 371, 462, 583, 726, 742, 847, 1113, 1166, 1481, 1694, 1749, 2226, 2541, 2962, 3498, 4081, 4443, 5082, 6413, 8162, 8886, 10367, 12243, 12826, 16291, 19239, 20734, 24486, 31101, 32582, 38478, 44891, 48873, 62202, 78493, 89782, 97746, 114037, 134673, 156986, 179201, 228074, 235479, 269346, 342111, 358402, 470958, 537603, 549451, 684222, 863423, 1075206, 1098902, 1254407, 1648353, 1726846, 2508814, 2590269, 3296706, 3763221, 5180538, 6043961, 7526442, 9497653, 12087922, 18131883, 18995306, 28492959, 36263766, 56985918, 66483571, 132967142, 199450713, 398901426]

約数ペア:

[(1, 398901426), (2, 199450713), (3, 132967142), (6, 66483571), (7, 56985918), (11, 36263766), (14, 28492959), (21, 18995306), (22, 18131883), (33, 12087922), (42, 9497653), (53, 7526442), (66, 6043961), (77, 5180538), (106, 3763221), (121, 3296706), (154, 2590269), (159, 2508814), (231, 1726846), (242, 1648353), (318, 1254407), (363, 1098902), (371, 1075206), (462, 863423), (583, 684222), (726, 549451), (742, 537603), (847, 470958), (1113, 358402), (1166, 342111), (1481, 269346), (1694, 235479), (1749, 228074), (2226, 179201), (2541, 156986), (2962, 134673), (3498, 114037), (4081, 97746), (4443, 89782), (5082, 78493), (6413, 62202), (8162, 48873), (8886, 44891), (10367, 38478), (12243, 32582), (12826, 31101), (16291, 24486), (19239, 20734)]