272693668

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 557542440

約数和(自身を除く): 284848772

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 61, 68, 122, 169, 221, 244, 338, 389, 442, 676, 778, 793, 884, 1037, 1556, 1586, 2074, 2873, 3172, 4148, 5057, 5746, 6613, 10114, 10309, 11492, 13226, 13481, 20228, 20618, 23729, 26452, 26962, 41236, 47458, 53924, 65741, 85969, 94916, 131482, 171938, 175253, 262964, 308477, 343876, 350506, 403393, 616954, 701012, 806786, 1117597, 1233908, 1613572, 2235194, 4010201, 4470388, 5244109, 8020402, 10488218, 16040804, 20976436, 68173417, 136346834, 272693668]

約数ペア:

[(1, 272693668), (2, 136346834), (4, 68173417), (13, 20976436), (17, 16040804), (26, 10488218), (34, 8020402), (52, 5244109), (61, 4470388), (68, 4010201), (122, 2235194), (169, 1613572), (221, 1233908), (244, 1117597), (338, 806786), (389, 701012), (442, 616954), (676, 403393), (778, 350506), (793, 343876), (884, 308477), (1037, 262964), (1556, 175253), (1586, 171938), (2074, 131482), (2873, 94916), (3172, 85969), (4148, 65741), (5057, 53924), (5746, 47458), (6613, 41236), (10114, 26962), (10309, 26452), (11492, 23729), (13226, 20618), (13481, 20228)]