219201112

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{823}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 447852240

約数和(自身を除く): 228651128

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 197, 338, 394, 676, 788, 823, 1352, 1576, 1646, 2561, 3292, 5122, 6584, 10244, 10699, 20488, 21398, 33293, 42796, 66586, 85592, 133172, 139087, 162131, 266344, 278174, 324262, 556348, 648524, 1112696, 1297048, 2107703, 4215406, 8430812, 16861624, 27400139, 54800278, 109600556, 219201112]

約数ペア:

[(1, 219201112), (2, 109600556), (4, 54800278), (8, 27400139), (13, 16861624), (26, 8430812), (52, 4215406), (104, 2107703), (169, 1297048), (197, 1112696), (338, 648524), (394, 556348), (676, 324262), (788, 278174), (823, 266344), (1352, 162131), (1576, 139087), (1646, 133172), (2561, 85592), (3292, 66586), (5122, 42796), (6584, 33293), (10244, 21398), (10699, 20488)]