211871556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{4231}}^1$

素因数の和:4361

約数の個数: 72

約数和(自身を含む): 582289344

約数和(自身を除く): 370417788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 107, 117, 156, 214, 234, 321, 428, 468, 642, 963, 1284, 1391, 1926, 2782, 3852, 4173, 4231, 5564, 8346, 8462, 12519, 12693, 16692, 16924, 25038, 25386, 38079, 50076, 50772, 55003, 76158, 110006, 152316, 165009, 220012, 330018, 452717, 495027, 660036, 905434, 990054, 1358151, 1810868, 1980108, 2716302, 4074453, 5432604, 5885321, 8148906, 11770642, 16297812, 17655963, 23541284, 35311926, 52967889, 70623852, 105935778, 211871556]

約数ペア:

[(1, 211871556), (2, 105935778), (3, 70623852), (4, 52967889), (6, 35311926), (9, 23541284), (12, 17655963), (13, 16297812), (18, 11770642), (26, 8148906), (36, 5885321), (39, 5432604), (52, 4074453), (78, 2716302), (107, 1980108), (117, 1810868), (156, 1358151), (214, 990054), (234, 905434), (321, 660036), (428, 495027), (468, 452717), (642, 330018), (963, 220012), (1284, 165009), (1391, 152316), (1926, 110006), (2782, 76158), (3852, 55003), (4173, 50772), (4231, 50076), (5564, 38079), (8346, 25386), (8462, 25038), (12519, 16924), (12693, 16692)]