28957572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{761}}^1$

素因数の和:929

約数の個数: 72

約数和(自身を含む): 84319872

約数和(自身を除く): 55362300

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 151, 252, 302, 453, 604, 761, 906, 1057, 1359, 1522, 1812, 2114, 2283, 2718, 3044, 3171, 4228, 4566, 5327, 5436, 6342, 6849, 9132, 9513, 10654, 12684, 13698, 15981, 19026, 21308, 27396, 31962, 38052, 47943, 63924, 95886, 114911, 191772, 229822, 344733, 459644, 689466, 804377, 1034199, 1378932, 1608754, 2068398, 2413131, 3217508, 4136796, 4826262, 7239393, 9652524, 14478786, 28957572]

約数ペア:

[(1, 28957572), (2, 14478786), (3, 9652524), (4, 7239393), (6, 4826262), (7, 4136796), (9, 3217508), (12, 2413131), (14, 2068398), (18, 1608754), (21, 1378932), (28, 1034199), (36, 804377), (42, 689466), (63, 459644), (84, 344733), (126, 229822), (151, 191772), (252, 114911), (302, 95886), (453, 63924), (604, 47943), (761, 38052), (906, 31962), (1057, 27396), (1359, 21308), (1522, 19026), (1812, 15981), (2114, 13698), (2283, 12684), (2718, 10654), (3044, 9513), (3171, 9132), (4228, 6849), (4566, 6342), (5327, 5436)]