218014732

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 446033952

約数和(自身を除く): 228019220

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 61, 68, 122, 169, 221, 244, 311, 338, 442, 622, 676, 793, 884, 1037, 1244, 1586, 2074, 2873, 3172, 4043, 4148, 5287, 5746, 8086, 10309, 10574, 11492, 13481, 16172, 18971, 20618, 21148, 26962, 37942, 41236, 52559, 53924, 68731, 75884, 105118, 137462, 175253, 210236, 246623, 274924, 322507, 350506, 493246, 645014, 701012, 893503, 986492, 1290028, 1787006, 3206099, 3574012, 4192591, 6412198, 8385182, 12824396, 16770364, 54503683, 109007366, 218014732]

約数ペア:

[(1, 218014732), (2, 109007366), (4, 54503683), (13, 16770364), (17, 12824396), (26, 8385182), (34, 6412198), (52, 4192591), (61, 3574012), (68, 3206099), (122, 1787006), (169, 1290028), (221, 986492), (244, 893503), (311, 701012), (338, 645014), (442, 493246), (622, 350506), (676, 322507), (793, 274924), (884, 246623), (1037, 210236), (1244, 175253), (1586, 137462), (2074, 105118), (2873, 75884), (3172, 68731), (4043, 53924), (4148, 52559), (5287, 41236), (5746, 37942), (8086, 26962), (10309, 21148), (10574, 20618), (11492, 18971), (13481, 16172)]