211678938

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{557}}^1$

素因数の和:1099

約数の個数: 48

約数和(自身を含む): 471103776

約数和(自身を除く): 259424838

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 491, 557, 774, 982, 1114, 1473, 1671, 2946, 3342, 4419, 5013, 8838, 10026, 21113, 23951, 42226, 47902, 63339, 71853, 126678, 143706, 190017, 215559, 273487, 380034, 431118, 546974, 820461, 1640922, 2461383, 4922766, 11759941, 23519882, 35279823, 70559646, 105839469, 211678938]

約数ペア:

[(1, 211678938), (2, 105839469), (3, 70559646), (6, 35279823), (9, 23519882), (18, 11759941), (43, 4922766), (86, 2461383), (129, 1640922), (258, 820461), (387, 546974), (491, 431118), (557, 380034), (774, 273487), (982, 215559), (1114, 190017), (1473, 143706), (1671, 126678), (2946, 71853), (3342, 63339), (4419, 47902), (5013, 42226), (8838, 23951), (10026, 21113)]