211676894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 72

約数和(自身を含む): 400458168

約数和(自身を除く): 188781274

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 169, 187, 197, 221, 286, 289, 338, 374, 394, 442, 578, 1859, 2167, 2431, 2561, 2873, 3179, 3349, 3718, 3757, 4334, 4862, 5122, 5746, 6358, 6698, 7514, 28171, 31603, 33293, 36839, 41327, 43537, 48841, 56342, 56933, 63206, 66586, 73678, 82654, 87074, 97682, 113866, 366223, 478907, 537251, 565981, 626263, 732446, 740129, 957814, 1074502, 1131962, 1252526, 1480258, 6225791, 8141419, 9621677, 12451582, 16282838, 19243354, 105838447, 211676894]

約数ペア:

[(1, 211676894), (2, 105838447), (11, 19243354), (13, 16282838), (17, 12451582), (22, 9621677), (26, 8141419), (34, 6225791), (143, 1480258), (169, 1252526), (187, 1131962), (197, 1074502), (221, 957814), (286, 740129), (289, 732446), (338, 626263), (374, 565981), (394, 537251), (442, 478907), (578, 366223), (1859, 113866), (2167, 97682), (2431, 87074), (2561, 82654), (2873, 73678), (3179, 66586), (3349, 63206), (3718, 56933), (3757, 56342), (4334, 48841), (4862, 43537), (5122, 41327), (5746, 36839), (6358, 33293), (6698, 31603), (7514, 28171)]